Change .yaml extension to .yml

.github/workflows/workflow.yml

@@ -0,0 +1,16 @@
+name: "Workflow"
+on: ["push"]
+jobs:
+  build:
+    runs-on: "ubuntu-latest"
+    steps:
+      - uses: "actions/checkout@master"
+      - name: "TODO to Issue"
+        uses: "alstr/todo-to-issue-action@master"
+        with:
+          REPO: ${{ github.repository }}
+          BEFORE: ${{ github.event.before }}
+          SHA: ${{ github.sha }}
+          TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          LABEL: "# TODO"
+        id: "todo"