docs: Add Windows PowerShell one-line installation commands

Added PowerShell equivalents for all installation commands:
- Quick one-liners section with Windows commands
- Detailed installation guide with PowerShell options
- Updated script references to include .ps1 files
- Cross-platform option documentation (--skip-deps / -SkipDeps)

Co-Authored-By: Claude <noreply@anthropic.com>

README.md

@@ -10,6 +10,7 @@
 
 ## ⚡ Quick One-Liners
 
+### Linux / macOS (Bash)
 ```bash
 # 🎯 SuperCharge Claude Code (all customizations)
 curl -fsSL https://github.rommark.dev/admin/SuperCharged-Claude-Code-Upgrade/raw/main/supercharge.sh | bash
@@ -21,6 +22,18 @@ curl -fsSL https://github.rommark.dev/admin/SuperCharged-Claude-Code-Upgrade/raw
 curl -fsSL https://github.rommark.dev/admin/SuperCharged-Claude-Code-Upgrade/raw/main/install-claude-code.sh | bash -s -- --manual
 ```
 
+### Windows (PowerShell)
+```powershell
+# 🎯 SuperCharge Claude Code (all customizations)
+irm https://github.rommark.dev/admin/SuperCharged-Claude-Code-Upgrade/raw/main/supercharge.ps1 | iex
+
+# 🔧 Install Claude Code + Z.AI API
+irm https://github.rommark.dev/admin/SuperCharged-Claude-Code-Upgrade/raw/main/install-claude-code.ps1 | iex
+
+# 📖 Show manual instructions (no installation)
+irm https://github.rommark.dev/admin/SuperCharged-Claude-Code-Upgrade/raw/main/install-claude-code.ps1 | iex; install-claude-code -Manual
+```
+
 ---
 
 ## ⚡ Why SuperCharge Claude Code?
@@ -94,11 +107,20 @@ This comprehensive customization package transforms your Claude Code installatio
 ### 🎯 SuperCharge Installer (Main Script)
 
 #### One-Line Installation
+
+**Linux / macOS:**
 ```bash
 curl -fsSL https://github.rommark.dev/admin/SuperCharged-Claude-Code-Upgrade/raw/main/supercharge.sh | bash
 ```
 
+**Windows (PowerShell):**
+```powershell
+irm https://github.rommark.dev/admin/SuperCharged-Claude-Code-Upgrade/raw/main/supercharge.ps1 | iex
+```
+
 #### One-Line with Options
+
+**Linux / macOS:**
 ```bash
 # Skip dependency installation
 curl -fsSL https://github.rommark.dev/admin/SuperCharged-Claude-Code-Upgrade/raw/main/supercharge.sh | bash -s -- --skip-deps
@@ -107,7 +129,18 @@ curl -fsSL https://github.rommark.dev/admin/SuperCharged-Claude-Code-Upgrade/raw
 curl -fsSL https://github.rommark.dev/admin/SuperCharged-Claude-Code-Upgrade/raw/main/supercharge.sh | bash -s -- --dev-mode
 ```
 
+**Windows (PowerShell):**
+```powershell
+# Skip dependency installation
+irm https://github.rommark.dev/admin/SuperCharged-Claude-Code-Upgrade/raw/main/supercharge.ps1 | iex; supercharge -SkipDeps
+
+# Development mode (verbose output)
+irm https://github.rommark.dev/admin/SuperCharged-Claude-Code-Upgrade/raw/main/supercharge.ps1 | iex; supercharge -DevMode
+```
+
 #### Manual Installation
+
+**Linux / macOS:**
 ```bash
 # Clone the repository
 git clone https://github.rommark.dev/admin/SuperCharged-Claude-Code-Upgrade.git
@@ -121,14 +154,37 @@ cd SuperCharged-Claude-Code-Upgrade
 ./supercharge.sh --dev-mode
 ```
 
+**Windows (PowerShell):**
+```powershell
+# Clone the repository
+git clone https://github.rommark.dev/admin/SuperCharged-Claude-Code-Upgrade.git
+cd SuperCharged-Claude-Code-Upgrade
+
+# Run the supercharge installer
+.\supercharge.ps1
+
+# With options
+.\supercharge.ps1 -SkipDeps
+.\supercharge.ps1 -DevMode
+```
+
 ### 🔧 Claude Code + Z.AI Installer (Optional)
 
 #### One-Line Installation
+
+**Linux / macOS:**
 ```bash
 curl -fsSL https://github.rommark.dev/admin/SuperCharged-Claude-Code-Upgrade/raw/main/install-claude-code.sh | bash
 ```
 
+**Windows (PowerShell):**
+```powershell
+irm https://github.rommark.dev/admin/SuperCharged-Claude-Code-Upgrade/raw/main/install-claude-code.ps1 | iex
+```
+
 #### One-Line with Options
+
+**Linux / macOS:**
 ```bash
 # Automatic installation (prompts for API key)
 curl -fsSL https://github.rommark.dev/admin/SuperCharged-Claude-Code-Upgrade/raw/main/install-claude-code.sh | bash -s -- --auto
@@ -140,7 +196,21 @@ curl -fsSL https://github.rommark.dev/admin/SuperCharged-Claude-Code-Upgrade/raw
 curl -fsSL https://github.rommark.dev/admin/SuperCharged-Claude-Code-Upgrade/raw/main/install-claude-code.sh | bash -s -- --skip-install
 ```
 
+**Windows (PowerShell):**
+```powershell
+# Automatic installation (prompts for API key)
+irm https://github.rommark.dev/admin/SuperCharged-Claude-Code-Upgrade/raw/main/install-claude-code.ps1 | iex; install-claude-code -Auto
+
+# Manual instructions only (no installation)
+irm https://github.rommark.dev/admin/SuperCharged-Claude-Code-Upgrade/raw/main/install-claude-code.ps1 | iex; install-claude-code -Manual
+
+# Configure API only (skip Claude Code installation)
+irm https://github.rommark.dev/admin/SuperCharged-Claude-Code-Upgrade/raw/main/install-claude-code.ps1 | iex; install-claude-code -SkipInstall
+```
+
 #### Manual Installation
+
+**Linux / macOS:**
 ```bash
 # Clone the repository
 git clone https://github.rommark.dev/admin/SuperCharged-Claude-Code-Upgrade.git
@@ -154,20 +224,34 @@ cd SuperCharged-Claude-Code-Upgrade
 ./install-claude-code.sh --skip-install  # Configure API only
 ```
 
+**Windows (PowerShell):**
+```powershell
+# Clone the repository
+git clone https://github.rommark.dev/admin/SuperCharged-Claude-Code-Upgrade.git
+cd SuperCharged-Claude-Code-Upgrade
+
+# Run the Claude Code installer
+.\install-claude-code.ps1 -Auto
+
+# Other options
+.\install-claude-code.ps1 -Manual       # Show instructions only
+.\install-claude-code.ps1 -SkipInstall  # Configure API only
+```
+
 ---
 
 ## 📋 Available Scripts & Options
 
-### supercharge.sh - Main SuperCharge Installer
+### supercharge.sh / supercharge.ps1 - Main SuperCharge Installer
 Transforms existing Claude Code with all customizations.
 
 | Option | Description |
 |--------|-------------|
 | (default) | Interactive installation with all prompts |
-| `--skip-deps` | Skip dependency installation checks |
+| `--skip-deps` / `-SkipDeps` | Skip dependency installation checks |
-| `--dev-mode` | Enable verbose output for debugging |
+| `--dev-mode` / `-DevMode` | Enable verbose output for debugging |
 
-**One-liners:**
+**One-liners (Linux / macOS):**
 ```bash
 # Full installation
 curl -fsSL https://github.rommark.dev/admin/SuperCharged-Claude-Code-Upgrade/raw/main/supercharge.sh | bash
@@ -179,7 +263,19 @@ curl -fsSL https://github.rommark.dev/admin/SuperCharged-Claude-Code-Upgrade/raw
 curl -fsSL https://github.rommark.dev/admin/SuperCharged-Claude-Code-Upgrade/raw/main/supercharge.sh | bash -s -- --dev-mode
 ```
 
-### install-claude-code.sh - Claude Code + Z.AI Installer
+**One-liners (Windows):**
+```powershell
+# Full installation
+irm https://github.rommark.dev/admin/SuperCharged-Claude-Code-Upgrade/raw/main/supercharge.ps1 | iex
+
+# Skip dependencies
+irm https://github.rommark.dev/admin/SuperCharged-Claude-Code-Upgrade/raw/main/supercharge.ps1 | iex; supercharge -SkipDeps
+
+# Verbose mode
+irm https://github.rommark.dev/admin/SuperCharged-Claude-Code-Upgrade/raw/main/supercharge.ps1 | iex; supercharge -DevMode
+```
+
+### install-claude-code.sh / install-claude-code.ps1 - Claude Code + Z.AI Installer
 Installs Claude Code and configures Z.AI GLM models or Anthropic API.
 
 **New Features:**