v0.5.0: NomadArch - Binary-Free Mode Release

Features:
- Binary-Free Mode: No OpenCode binary required
- NomadArch Native mode with free Zen models
- Native session management
- Provider routing (Zen, Qwen, Z.AI)
- Fixed MCP connection with explicit connectAll()
- Updated installers and launchers for all platforms
- UI binary selector with Native option

Free Models Available:
- GPT-5 Nano (400K context)
- Grok Code Fast 1 (256K context)
- GLM-4.7 (205K context)
- Doubao Seed Code (256K context)
- Big Pickle (200K context)

packages/opencode-config/plugin/hello.js

@@ -0,0 +1,8 @@
+// NomadArch Plugin Template
+// This file is a placeholder. OpenCode plugins are optional.
+// To create a plugin, see: https://opencode.ai/docs/plugins
+
+export async function init() {
+  // No-op placeholder - customize as needed
+  return {}
+}