feat(docs): add JavaScript intro demos and update content structure

refactor(docs): rename "ClaudeCode" to "Claude Code" across all language versions

chore: add ESLint configuration and update build scripts

style: update component organization and remove unused imports

eslint.config.js

@@ -0,0 +1,36 @@
+import js from '@eslint/js'
+import pluginVue from 'eslint-plugin-vue'
+import vueParser from 'vue-eslint-parser'
+
+export default [
+  {
+    ignores: ['node_modules/**', 'docs/.vitepress/dist/**', 'docs/.vitepress/cache/**']
+  },
+  js.configs.recommended,
+  ...pluginVue.configs['flat/recommended'],
+  {
+    files: ['**/*.vue', '**/*.js'],
+    languageOptions: {
+      parser: vueParser,
+      parserOptions: {
+        ecmaVersion: 'latest',
+        sourceType: 'module'
+      }
+    },
+    rules: {
+      'vue/no-ref-as-operand': 'error',
+      'vue/no-setup-props-destructure': 'error',
+      'vue/no-template-shadow': 'error',
+      'vue/require-v-for-key': 'error',
+      'vue/no-use-v-if-with-v-for': 'error',
+      'vue/require-valid-default-prop': 'error',
+      'vue/no-mutating-props': 'error',
+      'vue/return-in-computed-property': 'error',
+      'vue/no-side-effects-in-computed-properties': 'error',
+      'vue/no-async-in-computed-properties': 'error',
+      'no-undef': 'error',
+      'no-unused-vars': 'warn',
+      'vue/multi-word-component-names': 'off'
+    }
+  }
+]