added ci validation

.github/workflow/ci.yml

@@ -0,0 +1,33 @@
+name: Node.js CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [14.x, 16.x, 18.x]
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v2
+        with:
+          node-version: ${{ matrix.node-version }}
+      - name: Install dependencies
+        run: npm install
+      - name: Check JSON Schemas
+        run: |
+          npm install -g ajv-cli
+          ajv compile -s schemas/*.json -r schemas/ --missing-ref=ignore
+          for schema in $(ls schemas); do
+            for file in $(find data -name "*.json"); do
+              ajv validate -s schemas/$schema -d $file || exit 1
+            done
+          done