(feat): Add "Gnome extensions" extension

extensions/gnome-extensions/.gitignore

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+node_modules

extensions/gnome-extensions/.prettierrc

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+{
+  "printWidth": 120,
+  "singleQuote": false
+}

extensions/gnome-extensions/CHANGELOG.md

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+## [1.0.0] - 2026-03-24
+
+### Added
+
+- Initial release.
+- List installed GNOME Shell extensions with details (UUID, description, state, settings schema path).
+- Enable and disable extensions.
+- Open extension preferences dialog (hidden when no preferences are available).
+- Official extension icons support.

extensions/gnome-extensions/README.md

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+# Vicinae GNOME Extensions
+
+Manage your GNOME Shell extensions directly from Vicinae.
+
+## Requirements
+
+- GNOME Shell environment
+- `gnome-extensions` CLI tool
+- `curl` command-line tool
+- Internet connection (for extension screenshots)
+
+> _Optional: dconf editor (for extension settings)_
+
+### Install the requirements
+
+Make sure the `gnome-extensions` CLI is installed. On most distros it's included with GNOME Shell. If not:
+
+**Ubuntu**
+```shell
+sudo apt install gnome-shell-extensions curl
+```
+
+**Fedora**
+```shell
+sudo dnf install gnome-shell-extensions curl
+```
+
+**Arch**
+```shell
+sudo pacman -S gnome-shell-extensions curl
+```
+
+## Features
+
+- List all installed GNOME extensions
+- Enable/disable extensions with one click
+- Open extension preferences
+- Access extension settings
+- Open the extension in Dconf Editor (if schema is available)
+- View extension screenshots from extensions.gnome.org
+- Copy extension UUID to clipboard
+- Open extension's Homepage
+- Search through extensions
+
+## Usage
+
+1. Run the `GNOME Extensions` command in Vicinae
+2. Browse your installed extensions
+3. Use actions to enable/disable or configure extensions
+4. Press Enter to view extension details with screenshot
+
+## Commands
+
+| Command | Description |
+| --- | --- |
+| `GNOME Extensions` | List and manage installed GNOME Shell extensions |
+
+## Preferences
+
+- **Extension Manager Path** – Path to your extension manager command (default: `gnome-extensions`)
+- **Show Disabled Extensions** – Include disabled extensions in the list
+
+## Development
+
+```bash
+cd extensions/gnome-extensions
+npm install
+npm run dev
+```

extensions/gnome-extensions/eslint.config.js

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+import { defineConfig } from "eslint/config";
+import globals from "globals";
+import pluginEslintJs from "@eslint/js";
+import pluginEslintReact from "eslint-plugin-react";
+import stylistic from "@stylistic/eslint-plugin";
+import pluginReactHooks from "eslint-plugin-react-hooks";
+import raycastConfig from "@raycast/eslint-config";
+
+export default defineConfig([
+  ...raycastConfig,
+  {
+    files: ["**/*.{js,mjs,cjs,jsx,ts,tsx}"],
+    plugins: {
+      pluginEslintJs,
+      pluginEslintReact,
+      "@stylistic": stylistic,
+    },
+    extends: [pluginEslintJs.configs.recommended, pluginEslintReact.configs.flat.recommended],
+    languageOptions: {
+      parserOptions: {
+        ecmaFeatures: {
+          jsx: true,
+        },
+      },
+      globals: {
+        ...globals.browser,
+      },
+    },
+    settings: {
+      react: {
+        pragma: "React",
+        version: "19.1",
+        defaultVersion: "19.1",
+      },
+    },
+  },
+  pluginReactHooks.configs.flat.recommended,
+  {
+    rules: {
+      yoda: ["error", "always"],
+      "arrow-body-style": ["error", "as-needed"],
+      "no-empty": ["error", { allowEmptyCatch: true }],
+      "no-multiple-empty-lines": 1,
+      "no-unused-vars": [
+        "error",
+        {
+          vars: "all",
+          args: "after-used",
+          caughtErrors: "none",
+          ignoreRestSiblings: false,
+          reportUsedIgnorePattern: false,
+        },
+      ],
+      "@stylistic/semi": 0,
+      "@stylistic/comma-dangle": [
+        1,
+        {
+          arrays: "only-multiline",
+          objects: "only-multiline",
+          imports: "only-multiline",
+          exports: "only-multiline",
+          functions: "only-multiline",
+        },
+      ],
+      "@stylistic/operator-linebreak": ["error", "before"],
+      "@stylistic/indent": ["error", 2, { SwitchCase: 1 }],
+      "@stylistic/space-before-function-paren": [
+        "error",
+        {
+          anonymous: "never",
+          named: "never",
+          asyncArrow: "always",
+        },
+      ],
+      "@stylistic/arrow-parens": [
+        "error",
+        "as-needed",
+        {
+          requireForBlockBody: false,
+        },
+      ],
+      "@stylistic/arrow-spacing": [
+        "error",
+        {
+          before: true,
+          after: true,
+        },
+      ],
+      "@stylistic/no-mixed-spaces-and-tabs": 1,
+      "@stylistic/jsx-closing-bracket-location": 1,
+      "@stylistic/jsx-closing-tag-location": 1,
+      "@stylistic/jsx-curly-brace-presence": [1, "never"],
+      "@stylistic/jsx-curly-spacing": 1,
+      "@stylistic/jsx-equals-spacing": 1,
+      "@stylistic/jsx-first-prop-new-line": [1, "multiline-multiprop"],
+      // '@stylistic/jsx-indent': [1, 2, { // deprecated
+      //   checkAttributes: true,
+      //   indentLogicalExpressions: true,
+      // }],
+      "@stylistic/jsx-pascal-case": [
+        1,
+        {
+          allowAllCaps: false,
+          allowNamespace: true,
+          allowLeadingUnderscore: false,
+        },
+      ],
+      "@stylistic/no-multi-spaces": 1,
+      "@stylistic/jsx-self-closing-comp": [
+        "error",
+        {
+          component: true,
+          html: true,
+        },
+      ],
+      "@stylistic/jsx-wrap-multilines": [
+        1,
+        {
+          declaration: "parens-new-line",
+          assignment: "parens-new-line",
+          return: "parens-new-line",
+          arrow: "parens-new-line",
+          condition: "ignore",
+          logical: "parens-new-line",
+          prop: "parens-new-line",
+          propertyValue: "parens-new-line",
+        },
+      ],
+      "@stylistic/jsx-tag-spacing": [
+        1,
+        {
+          closingSlash: "never",
+          beforeSelfClosing: "always",
+          afterOpening: "never",
+          beforeClosing: "allow",
+        },
+      ],
+    },
+  },
+]);