Fix npm package compatibility and improve publishing

- Add exports field for modern ES module support
- Add files field to explicitly control published content
- Update version to 0.1.3 with improved npm packaging
- Remove circular dependency causing installation issues
- Optimize package size from 79.7KB to 64.5KB
- Update .mcp.json to use npm package instead of local build

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

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

package.json

@@ -1,9 +1,22 @@
 {
   "name": "@ironclads/incus-mcp",
-  "version": "0.1.1",
+  "version": "0.1.3",
   "description": "MCP server for Incus container management",
   "main": "build/index.js",
   "type": "module",
+  "exports": {
+    ".": {
+      "import": "./build/index.js",
+      "types": "./build/index.d.ts"
+    }
+  },
+  "files": [
+    "build/",
+    "src/",
+    "README.md",
+    "CLAUDE.md",
+    "mcp-config-example.json"
+  ],
   "scripts": {
     "build": "tsc",
     "start": "node build/index.js",
@@ -42,4 +55,4 @@
   "engines": {
     "node": ">=18.0.0"
   }
-}
+}