chore: add workflow for publishing to npm registry

.github/workflows/npm-publish.yml

@@ -0,0 +1,28 @@
+name: Publish to NPM
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          registry-url: 'https://registry.npmjs.org'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Build
+        run: npm run build
+
+      - name: Publish to NPM
+        run: npm publish
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.npm_token }} 

package.json

@@ -1,15 +1,18 @@
 {
   "name": "mcp-server-amazon-bedrock",
   "version": "0.1.0",
-  "description": "Use Amazon Bedrock models to generate text, image and videos",
-  "private": true,
+  "description": "Use Amazon Bedrock Nova models to generate image.",
+  "author": "Kane Zhu",
   "type": "module",
   "bin": {
     "mcp-server-amazon-bedrock": "./build/index.js"
   },
   "files": [
     "build"
   ],
+  "publishConfig": {
+    "access": "public"
+  },
   "scripts": {
     "build": "tsc && node -e \"require('fs').chmodSync('build/index.js', '755')\"",
     "prepare": "npm run build",