feat: implement MCP server plugin v1.0.0

Add HTTP-based MCP server exposing 20 Joplin tools (notes, notebooks,
tags, search) via StreamableHTTPServerTransport. Includes configurable
host/port settings, CORS support, and session management.

- src/index.ts: Plugin registration and settings UI
- src/server.ts: MCP HTTP server with StreamableHTTP transport
- src/tools.ts: 20 MCP tool definitions for Joplin operations
- LICENSE: MIT license
- CHANGELOG.md: v1.0.0 changelog entry
- README.md: Comprehensive documentation

tsconfig.json

@@ -5,6 +5,8 @@
 		"target": "es2015",
 		"jsx": "react",
 		"allowJs": true,
-		"baseUrl": "."
+		"baseUrl": ".",
+		"skipLibCheck": true,
+		"esModuleInterop": true
 	}
 }