Update workflow

.github/workflows/format.yml

@@ -0,0 +1,32 @@
+name: Format Playlists
+
+on:
+  push:
+    branches:
+      - master
+    paths:
+      - 'channels/*'
+      - 'index.m3u'
+
+jobs:
+  generate:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@master
+      
+    - name: Install Dependencies
+      run: npm install
+      
+    - name: Format Playlists
+      run: npm run format --epg
+    
+    - name: Create Pull Request
+      uses: peter-evans/create-pull-request@v1.5.1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        COMMIT_MESSAGE: 'Format playlists'
+        PULL_REQUEST_BRANCH: bot-patch
+        PULL_REQUEST_TITLE: '[Bot] Format playlists'
+        PULL_REQUEST_BODY: >
+            This pull request is auto-generated by GitHub action.