Add missing repository components for complete supercharge.sh installation

Added all directories and files expected by supercharge.sh:

- hooks/ (5 hook scripts for session management and AI consultation)
- commands/ (3 custom slash commands: brainstorm, write-plan, execute-plan)
- plugins/ (plugin references for glm-plan, rust-analyzer, marketplaces)
- bin/ralphloop (Ralph Orchestrator wrapper for autonomous iteration)
- scripts/sync-agents.sh (agent synchronization script)
- templates/ (config templates: settings, hooks, config.json)

This completes the repository structure so supercharge.sh can install
all components without warnings.

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

templates/config.json

@@ -0,0 +1,25 @@
+{
+  "marketplaces": {
+    "obra/superpowers-marketplace": "https://github.com/obra/superpowers-marketplace"
+  },
+  "plugins": {
+    "sources": [
+      "https://github.com/anthropics/claude-code-plugins"
+    ]
+  },
+  "agents": {
+    "syncOnStartup": true,
+    "sources": [
+      {
+        "url": "https://github.com/anthropics/anthropic-agents",
+        "branch": "main",
+        "enabled": true
+      },
+      {
+        "url": "https://github.com/contains-cafe/studio-agents",
+        "branch": "main",
+        "enabled": true
+      }
+    ]
+  }
+}