Update README with expanded feature descriptions

- Add detailed descriptions for each feature (Autocorrect, Combos, Home Row Mods, Repeat/Magic Keys)
- Resize and center images for better display on wide layouts
- Make keymap image collapsible by default
- Move Magic Sturdy reference to feature section

README.md

@@ -1,19 +1,37 @@
 # QMK Keymaps
 
-![ferris-sweep](./assets/img/keyboards/ferris-sweep.jpg)
+<div align="center">
+<img src="./assets/img/keyboards/ferris-sweep.jpg" width="70%" alt="ferris-sweep">
+</div>
 
 ## Features
-* **Autocorrect**
-* **Case Modes**
-* **Combos**
-* **Home Row Mods**
-* **Leader Key**
-* **Repeat / Magic Keys**
+
+### Autocorrect
+Automatically fixes common typing mistakes in real-time. Maintains a dictionary of frequently mistyped words and corrects them as you type, reducing the need for manual backspacing and retyping.
+
+### Combos
+Press multiple keys simultaneously to output different characters or trigger actions. Enables access to numbers, symbols, and commands without leaving the home position, reducing finger travel and improving typing efficiency.
+
+### Home Row Mods
+Modifier keys (Alt, Shift, GUI, Ctrl) placed on the home row as dual-function keys. Tap for the letter, hold for the modifier. Eliminates the need to reach for traditional modifier positions, reducing hand movement and strain.
+
+### Repeat / Magic Keys
+Two intelligent repeat mechanisms on the thumb keys:
+- **Repeat Key** - Repeats the last keystroke with context-aware enhancements for common trigrams and word briefs
+- **Magic Key** - Context-aware completions based on the previous key. Reduces same-finger bigrams and enables common word completions
+
+See [**magic sturdy**](https://github.com/Ikcelaks/keyboard_layouts/blob/main/magic_sturdy/magic_sturdy.md) for the inspiration behind the magic key implementation.
 
 ## My Keymap
-![ferris-keymap](./assets/img/keymaps/ferris-sajenim.svg)
 
-See [**magic sturdy**](https://github.com/Ikcelaks/keyboard_layouts/blob/main/magic_sturdy/magic_sturdy.md) for usage of the magic key.
+<details>
+<summary>View Keymap</summary>
+
+<div align="center">
+<img src="./assets/img/keymaps/ferris-sajenim.svg" width="70%" alt="ferris-keymap">
+</div>
+
+</details>
 
 ## Installation
 Follow the [getting started](https://docs.qmk.fm/#/newbs_getting_started) docs to install [QMK Firmware](https://docs.qmk.fm/#/)