ensure graphql codeblocks in markdown doesn't contain syntax errors (#1678)

Author: dimaMachina

.eslintrc.cjs

@@ -9,6 +9,10 @@ module.exports = {
   overrides: [
     {
       files: [`**/*.{${CODE_EXT}}`],
+      // TODO: extract graphql documents from code files
+      // to lint graphql documents marked with /* GraphQL */ comments inside js/ts codeblocks in markdown
+      // processor: '@graphql-eslint/graphql',
+      // plugins: ['@graphql-eslint'],
       extends: [
         "eslint:recommended",
         "plugin:@typescript-eslint/recommended",
@@ -83,5 +87,9 @@ module.exports = {
         "mdx/remark": "off",
       },
     },
+    {
+      files: ['**/*.graphql'],
+      parser: '@graphql-eslint/eslint-plugin',
+    },
   ],
 }

package.json

@@ -61,6 +61,7 @@
     "use-query-params": "^2.2.1"
   },
   "devDependencies": {
+    "@graphql-eslint/eslint-plugin": "4.0.0-alpha.0",
     "@types/codemirror": "5.60.7",
     "@types/node": "^20.11.30",
     "@types/react": "^18.2.73",