docs: add installation section

README.md

@@ -1,23 +1,17 @@
 # GPT-Powered Alt Text Generator for WordPress
 
-## 🚧 Work in Progress
-
 WordPress plugin that uses the GPT-4 API to automatically generate descriptive and contextually relevant alt text for
 images during the upload process. This plugin is designed to enhance website accessibility and improve SEO with minimal
 effort.
 
+## Installation
+
+The plugin is currently awaiting approval on WordPress.org. In the meantime, you can download it from the [releases section on GitHub](https://github.com/android-com-pl/wp-gpt-vision-img-alt-generator/releases). Download the ZIP file and upload it to your website.
+
 > [!IMPORTANT]  
 > The settings for the plugin are located in `Settings -> Media`.
 > You need to enter your [OpenAI API key](https://platform.openai.com/api-keys) there.
 
 ![wp-gpt-vision-img-alt-generator](https://github.com/android-com-pl/wp-gpt-vision-img-alt-generator/assets/25438601/d68179ad-4ed4-43b6-8d52-b2eeeb4b2534)
 
 ![wp-gpt-vision-img-alt-generator-2](https://github.com/android-com-pl/wp-gpt-vision-img-alt-generator/assets/25438601/a221655e-ab9e-4a74-97c0-f6359ec1741c)
-
-## TODO:
-
-- [x] Add settings page
-- [x] Generate alt on upload option
-- [x] Generate alt button
-- [x] Error handling
-- [ ] Upload to WordPress.org