Initial project setup for RhinoMcp

- RhinoMcp.Plugin: Rhino 8 plugin with TCP listener on port 9744
- RhinoMcp.Bridge: MCP HTTP server on port 9743
- Basic MCP tools: ping, get_info, run_command, get_layers, get_objects
- Project documentation: CLAUDE.md, HANDOVER.md

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

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.gitignore

@@ -0,0 +1,27 @@
+# Build results
+[Bb]in/
+[Oo]bj/
+[Oo]ut/
+[Ll]og/
+[Ll]ogs/
+
+# Visual Studio
+.vs/
+*.user
+*.suo
+*.userosscache
+*.sln.docstates
+
+# Rider
+.idea/
+
+# NuGet
+*.nupkg
+**/packages/*
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Rhino Plugin output
+*.rhp