chore: readme + ci

Author: Flyrell

.github/workflows/test.yml

@@ -0,0 +1,24 @@
+name: Tests
+
+on:
+  pull_request:
+    branches: [main]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Java
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: 21
+
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v4
+
+      - name: Run tests
+        run: ./gradlew test

README.md

@@ -1,19 +1,54 @@
 # HTML Attribute Folder
 
-## IntelliJ Plugin
+> Fold away verbose HTML attributes for a cleaner editor view
 
-Annoyed with some html attributes and their length?
+[![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg)](LICENSE)
+[![Tests](https://github.com/Flyrell/html-attribute-folder/actions/workflows/test.yml/badge.svg)](https://github.com/Flyrell/html-attribute-folder/actions/workflows/test.yml)
+[![Version](https://img.shields.io/jetbrains/plugin/v/19715-html-attribute-folder.svg)](https://plugins.jetbrains.com/plugin/19715-html-attribute-folder)
+[![Buy Me a Coffee](https://img.shields.io/badge/Buy%20Me%20a%20Coffee-support-yellow.svg?logo=buy-me-a-coffee)](https://buymeacoffee.com/dawidzbinski)
 
-This simple and lightweight plugin will help you fold them, so you don't need to see them anymore. Any template written in RHTML (Ruby HTML), ERB (Embedded
-Ruby), JSX, XML, HTML, XHTML and DTD is supported by the plugin. The plugin will not edit your real code in any way, and you can choose whether
-to fold the items by default, placeholder for folded items, and how the folding looks like.
+## About
 
-You can find the plugin on [IntelliJ marketplace](https://plugins.jetbrains.com/plugin/19715-html-attribute-folder).
+HTML Attribute Folder is a lightweight JetBrains plugin that folds HTML attributes directly in the editor, letting you focus on element structure without the noise of lengthy attribute lists. It's completely non-destructive — your code is never modified. Supports HTML, XHTML, XML, JSX, TSX, DTD, and RHTML/ERB templates.
+
+## Features
+
+- Fold HTML attributes to reduce visual clutter
+- Non-destructive — your code is never modified
+- Configurable placeholder, folding method, and collapse-by-default behavior
+- Toggle folding with a keyboard shortcut (`Ctrl+Alt+E`)
+- Supports: HTML, XHTML, XML, JSX, TSX, DTD, RHTML/ERB
+
+## Installation
+
+1. Open your JetBrains IDE
+2. Go to **Settings → Plugins → Marketplace**
+3. Search for **"HTML Attribute Folder"**
+4. Click **Install** and restart the IDE
+
+Or install directly from the [JetBrains Marketplace](https://plugins.jetbrains.com/plugin/19715-html-attribute-folder).
+
+## Configuration
+
+Access settings via **Tools → HTML Attribute Folder Settings**.
+
+| Option              | Default | Description                                    |
+|---------------------|---------|------------------------------------------------|
+| Folding Method      | —       | How attributes are folded                      |
+| Placeholder         | `...`   | Text shown in place of folded attributes       |
+| Collapse by Default | `true`  | Automatically fold attributes when a file opens|
+| Attributes          | (empty) | Specific attributes to fold                    |
 
 ## Compatibility
 
-Manually verified with IntelliJ IDEA Unified distribution 2025.3+
+- IntelliJ IDEA 2025.3+ (build 251+)
+- Requires Java 21
+- Works with IntelliJ IDEA Ultimate/Community and other JetBrains IDEs with XML/JS support
 
-## ❤️🙏 Love & Thanks
+## Acknowledgements
 
 - [tscharke](https://github.com/tscharke) for contributing
+
+## License
+
+This project is licensed under the [MIT License](LICENSE).