Enhance README with video support and feature updates

Updated README to include support for videos and RAW formats, improved feature descriptions, and fixed typos.

Author: gitbrent

README.md

@@ -1,16 +1,23 @@
 # Mac Image Manager
 
-A modern, native macOS application for viewing and managing images.
+A modern, native macOS application for viewing and managing images, videos, and GIFs.
 
 ## ✨ Features
 
 - **Clean Interface**
-  - File browser on the left, image viewer on the right
+  - File browser on the left, media viewer on the right
 - **Image Viewer**
-  - Supports common image formats (JPG, JPEG, PNG, GIF, BMP, TIFF, HEIC, WEBP, SVG, ICO)
+  - Supports common image formats (JPG, JPEG, PNG, GIF, BMP, TIFF, HEIC, WEBP, SVG, ICO, RAW)
+  - Supports common video formats (MP4, MPG, MOV, M4V, AVI)
   - Supports RAW image formats and large images
   - View animated GIFs and videos
+  - Search by name
+- **GIF Viewer**
+  - Play/puase GIFs
+  - Adjust playback speed
+  - Keyframe forward/back
 - **File Browser**
+  - Volume brrowser supports removeable drives and iCloud drive
   - Easy directory navigation
   - Rename files
 - **Batch Actions** (WIP)
@@ -21,7 +28,7 @@ A modern, native macOS application for viewing and managing images.
 
 Image viewer:
 
-![mac-image-manager_image-viewer](https://github.com/user-attachments/assets/6dce725b-3972-47a1-b376-b895dcc74b11)
+![mac-image-manager_image-viewer](https://github.com/user-attachments/assets/7102907f-71f8-4e80-bb86-0e2ce70fefe0)
 
 GIF viewer: