Add job for publishing to npm (#2)

Author: mvelimir

.github/workflows/ci.yml

@@ -4,17 +4,15 @@ on:
   pull_request:
   push:
     branches: [ "main" ]
-    tags: [ "*" ]
+  release:
+    types: [created]
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
-
     strategy:
       matrix:
         node-version: [18.x, 20.x, 22.x]
-
     steps:
     - uses: actions/checkout@v4
     - name: Use Node.js ${{ matrix.node-version }}
@@ -24,3 +22,18 @@ jobs:
         cache: 'npm'
     - run: npm ci
     - run: npm run build --if-present
+
+  publish-npm:
+    needs: build
+    runs-on: ubuntu-latest
+    if: github.event_name == 'release'
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          registry-url: https://registry.npmjs.org/
+      - run: npm ci
+      - run: npm publish
+        env:
+          NODE_AUTH_TOKEN: ${{secrets.npm_token}}