Create update-swagger.yml

Needs to be tested first

.github/workflows/update-swagger.yml

@@ -0,0 +1,56 @@
+name: Update Swagger UI
+on:
+  schedule:
+    - cron:  '0 10 * * *'
+  repository_dispatch:
+    types: [update-swagger-ui]
+jobs:
+  updateSwagger:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Get Latest Swagger UI Release
+        id: swagger-ui
+        run: |
+          echo ::set-output name=release_tag::$(curl -sL https://api.github.com/repos/swagger-api/swagger-ui/releases/latest | jq -r ".tag_name")
+          echo ::set-output name=current_tag::$(<docs/swagger-ui.version)
+      - name: Update Swagger UI
+        if: steps.swagger-ui.outputs.current_tag != steps.swagger-ui.outputs.release_tag
+        env:
+          RELEASE_TAG: ${{ steps.swagger-ui.outputs.release_tag }}
+          SWAGGER_YAML: "tdlight-api-openapi.yaml"
+          TITLE: "tdlight Telegram bot API docs"
+        run: |
+          # move to the docs directory
+          cd docs
+          # Delete the dist directory and index.html
+          rm -fr dist index.html
+          # Download the release
+          curl -sL -o $RELEASE_TAG https://api.github.com/repos/swagger-api/swagger-ui/tarball/$RELEASE_TAG
+          # Extract the dist directory
+          tar -xzf $RELEASE_TAG --strip-components=1 $(tar -tzf $RELEASE_TAG | head -1 | cut -f1 -d"/")/dist
+          rm $RELEASE_TAG
+          # Move index.html to the root
+          mv dist/index.html .
+          # Fix references in index.html
+          sed -i "s|https://petstore.swagger.io/v2/swagger.json|$SWAGGER_YAML|g" index.html
+          sed -i "s|href=\"./|href=\"dist/|g" docs/index.html
+          sed -i "s|src=\"./|src=\"dist/|g" index.html
+          sed -i "s|dist/favicon|icons/favicon|g" index.html
+          sed -i "s|<title>.*</title>|<title>$TITLE</title>|g" index.html
+          # Update current release
+          echo ${{ steps.swagger-ui.outputs.release_tag }} > swagger-ui.version
+      - name: Create Pull Request
+        uses: peter-evans/create-pull-request@v3
+        with:
+          commit-message: Update swagger-ui to ${{ steps.swagger-ui.outputs.release_tag }}
+          title: Update SwaggerUI to ${{ steps.swagger-ui.outputs.release_tag }}
+          body: |
+            Updates [swagger-ui][1] to ${{ steps.swagger-ui.outputs.release_tag }}
+
+            Auto-generated by [create-pull-request][2]
+
+            [1]: https://github.com/swagger-api/swagger-ui
+            [2]: https://github.com/peter-evans/create-pull-request
+          labels: dependencies, automated pr
+          branch: swagger-ui-updates