feat: add lint test

Author: StevePorter92

.github/workflows/lint.yaml

@@ -0,0 +1,16 @@
+name: Test Lint
+
+on: [push, pull_request]
+
+jobs:
+  test_lint:
+    runs-on: ubuntu-latest
+    name: test lint
+    steps:
+      - name: checkout
+        uses: actions/checkout@v2
+
+      - name: test lint
+        uses: ./
+        with:
+          args: lint test/petstore.yaml