ops: ci action to lint redoc

.github/workflows/test-redoc.yml

@@ -0,0 +1,22 @@
+name: lint openapi spec
+
+on: 
+  push:
+    paths:
+    - 'server/**'
+  pull_request:
+    paths:
+    - 'server/**'
+jobs:
+  redoc:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - name: "Installing Vaccum"
+        run: curl -fsSL https://quobix.com/scripts/install_vacuum.sh | sh
+      - name: "Generating OpenAPI spec"
+        run: cargo run --manifest-path server/Cargo.toml --bin redoc_ci > openapi.json
+      - "Vaccum lint"
+        run: vacuum lint openapi.json
+
+