github workflow

.github/workflows/checks.yaml

@@ -0,0 +1,32 @@
+name: Checks
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+jobs:
+  configs_check:
+    name: Validate configs
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v3
+
+      - name: Setup node
+        uses: actions/setup-node@v3
+        with:
+          node-version: 18
+          cache: 'yarn'
+
+      - name: Install dependencies
+        uses: bahmutov/npm-install@v1
+        with:
+          useRollingCache: true
+
+      - name: Run ESLint
+        run: yarn eslint .
+
+      - name: Validate marketplace config schema
+        run: './tools/marketplace-config-validator/script.sh'
+

.nvmrc

@@ -0,0 +1 @@
+18

package.json

@@ -3,6 +3,10 @@
 	"version": "1.0.0",
 	"private": false,
 	"license": "MIT",
+	"engines": {
+		"node": "18",
+		"npm": "8"
+	},
 	"devDependencies": {
 		"eslint": "^8.37.0",
 		"eslint-plugin-jsonc": "^2.7.0",