[build] Split Actions into different yml files (#3025)

.github/workflows/lint-format.yml

@@ -0,0 +1,27 @@
+name: Lint and Format
+
+on: [pull_request, push]
+
+jobs:
+  wpiformat:
+    name: "wpiformat"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Fetch all history and metadata
+        run: |
+          git fetch --prune --unshallow
+          git checkout -b pr
+          git branch -f master origin/master
+      - name: Set up Python 3.8
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.8
+      - name: Install clang-format
+        run: sudo apt-get update -q && sudo apt-get install clang-format-10
+      - name: Install wpiformat
+        run: pip3 install wpiformat
+      - name: Run
+        run: wpiformat -clang 10
+      - name: Check Output
+        run: git --no-pager diff --exit-code HEAD