chore: Update environment configuration and package dependencies for MCP server

- Change MCP_SERVER in .env.example to use port 7123
- Add USE_STDIO_TRANSPORT flag in .env.example for stdio transport mode
- Update bun.lock to include new dependencies: cors, express, ajv, and their type definitions
- Add new scripts for building and running the MCP server with stdio transport
- Introduce PUBLISHING.md for npm publishing guidelines
- Enhance README with detailed setup instructions and tool descriptions

tsconfig.stdio.json

@@ -0,0 +1,19 @@
+{
+    "extends": "./tsconfig.json",
+    "compilerOptions": {
+        "outDir": "dist",
+        "rootDir": "src",
+        "sourceMap": true
+    },
+    "include": [
+        "src/stdio-server.ts",
+        "src/mcp/**/*.ts",
+        "src/utils/**/*.ts",
+        "src/tools/homeassistant/**/*.ts"
+    ],
+    "exclude": [
+        "node_modules",
+        "dist",
+        "**/*.test.ts"
+    ]
+}