👷 Add CI actions

.github/workflows/ci.yml

@@ -0,0 +1,29 @@
+name: CI
+
+on: [push, pull_request]
+
+permissions:
+  contents: read
+
+jobs:
+  fmt:
+    runs-on: ${{ matrix.operating-system }}
+    strategy:
+      matrix:
+        operating-system: [ubuntu-latest]
+    name: CI Vest on ${{ matrix.operating-system }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Setup Vlang
+        run: |
+          set -e
+          git clone https://github.com/vlang/v
+          cd v
+          make
+          sudo ./v symlink
+
+      - name: Check fmt
+        run: v fmt .