Allow manual build

Author: mlohbihler

.github/workflows/ci.yml

@@ -2,13 +2,13 @@ name: Node.js CI
 
 on:
   push:
-    branches: [ master, v2 ]
+    branches: [master, v2]
   pull_request:
-    branches: [ master, v2 ]
+    branches: [master, v2]
+  workflow_dispatch:
 
 jobs:
   build:
-
     runs-on: ${{ matrix.os }}
 
     strategy:
@@ -17,44 +17,44 @@ jobs:
       fail-fast: false
 
     steps:
-    - uses: actions/checkout@v3
-    - name: Use Node.js
-      uses: actions/setup-node@v3
-      with:
-        cache: npm
-        node-version: 16
-    - run: |
-        npm ci
-        npm run build
-        if [ "${{ runner.os }}" == "Windows" ]; then
-          npm run lint
-        else
-          xvfb-run --auto-servernum npm test
-        fi
-      shell: bash
-    - name: Coveralls Parallel - Chrome
-      if: runner.os != 'Windows'
-      uses: coverallsapp/github-action@master
-      with:
-        github-token: ${{ secrets.github_token }}
-        path-to-lcov: './coverage/chrome/lcov.info'
-        flag-name: ${{ matrix.os }}-chrome
-        parallel: true
-    - name: Coveralls Parallel - Firefox
-      if: runner.os != 'Windows'
-      uses: coverallsapp/github-action@master
-      with:
-        github-token: ${{ secrets.github_token }}
-        path-to-lcov: './coverage/firefox/lcov.info'
-        flag-name: ${{ matrix.os }}-firefox
-        parallel: true
+      - uses: actions/checkout@v3
+      - name: Use Node.js
+        uses: actions/setup-node@v3
+        with:
+          cache: npm
+          node-version: 16
+      - run: |
+          npm ci
+          npm run build
+          if [ "${{ runner.os }}" == "Windows" ]; then
+            npm run lint
+          else
+            xvfb-run --auto-servernum npm test
+          fi
+        shell: bash
+      - name: Coveralls Parallel - Chrome
+        if: runner.os != 'Windows'
+        uses: coverallsapp/github-action@master
+        with:
+          github-token: ${{ secrets.github_token }}
+          path-to-lcov: "./coverage/chrome/lcov.info"
+          flag-name: ${{ matrix.os }}-chrome
+          parallel: true
+      - name: Coveralls Parallel - Firefox
+        if: runner.os != 'Windows'
+        uses: coverallsapp/github-action@master
+        with:
+          github-token: ${{ secrets.github_token }}
+          path-to-lcov: "./coverage/firefox/lcov.info"
+          flag-name: ${{ matrix.os }}-firefox
+          parallel: true
 
   finish:
     needs: build
     runs-on: ubuntu-latest
     steps:
-    - name: Coveralls Finished
-      uses: coverallsapp/github-action@master
-      with:
-        github-token: ${{ secrets.github_token }}
-        parallel-finished: true
+      - name: Coveralls Finished
+        uses: coverallsapp/github-action@master
+        with:
+          github-token: ${{ secrets.github_token }}
+          parallel-finished: true