feat: add linter

eslint.config.mjs

@@ -0,0 +1,35 @@
+import antfu from '@antfu/eslint-config'
+
+export default antfu({
+  // Enable YAML support
+  yaml: {
+    overrides: {
+      // For Helm values files, allow flexible string styles
+      'yaml/quotes': ['error', { prefer: 'single', avoidEscape: true }],
+      // 'yaml/plain-scalar': 'off',
+    },
+  },
+  // Disable other language support we don't need
+  typescript: false,
+  vue: false,
+  react: false,
+  svelte: false,
+  astro: false,
+  // Enable stylistic formatting
+  stylistic: {
+    indent: 2,
+    quotes: 'single',
+    semi: false,
+  },
+  // Files to ignore
+  ignores: [
+    '**/node_modules/**',
+    '**/.git/**',
+  ],
+}, {
+  // Disable sort keys rule for JSON files
+  files: ['**/package.json'],
+  rules: {
+    'jsonc/sort-keys': 'off',
+  },
+})