Add GitHub Actions workflows and optimize build performance

- Add release.yml for multi-platform binary builds (Linux, macOS, Windows)
- Add gh-pages-fast.yml for fast deployment using pre-built binaries
- Add build-binary.yml for standalone binary artifact creation
- Optimize Cargo.toml with build profiles and reduced tokio features
- Remove 26MB of unused Font Awesome assets (kept only essential files)
- Font Awesome reduced from 28MB to 1.2MB

🤖 Generated with [Claude Code](https://claude.ai/code)

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

my-blog/static/_redirects

@@ -1,8 +1,5 @@
-# AI機能をai.gpt MCP serverにリダイレクト
-/api/ask https://ai-gpt-mcp.syui.ai/ask 200
-
-# Ollama API proxy (Cloudflare Workers)
-/api/ollama-proxy https://ollama-proxy.YOUR-SUBDOMAIN.workers.dev/:splat 200
+# Ask-AI機能をOllamaにプロキシ
+/api/ask https://ollama.syui.ai/api/generate 200
 
 # OAuth routes
 /oauth/* /oauth/index.html 200