docs: replace custom dividers with clean markdown separators

- replace all custom SVG dividers with simple --- horizontal rules
- creates cleaner, more professional developer-written feel
- removes visual clutter while maintaining section separation

Author: xcutiboo

README.md

@@ -37,9 +37,7 @@
   <br>
 </div>
 
-<div align="center">
-  <img src="./src/assets/dividers/confitty-terminal-divider.svg" alt="divider" width="100%">
-</div>
+---
 
 ## 💭 What Even Is This?
 
@@ -74,9 +72,7 @@ She's Kitty Terminal's ghost cat mascot if someone dropped her in pink paint and
 - **Symbol Mapping** – Powerline/Nerd Fonts without needing patched fonts.
 - **Background Effects** – Blur, opacity, and tint with accurate rendering.
 
-<div align="center">
-  <img src="./src/assets/dividers/confitty-terminal-divider.svg" alt="divider" width="100%">
-</div>
+---
 
 ## 🚀 Quick Start
 
@@ -105,9 +101,7 @@ cp kitty.conf ~/.config/kitty/
 
 Click **Import** and select your `kitty.conf`. Confitty parses it and populates the visual editor. Complex configs (custom kittens, include directives, environment variables) are preserved in the output even if they don't map to visual controls.
 
-<div align="center">
-  <img src="./src/assets/dividers/confitty-terminal-divider.svg" alt="divider" width="100%">
-</div>
+---
 
 ## ⚙️ How It Works
 
@@ -122,9 +116,7 @@ Confitty uses a **smart diff algorithm** that exports only the settings that dif
 - ✅ Avoids overriding defaults that may improve in future Kitty updates.
 - ✅ Makes it easy to track exactly what you've customized.
 
-<div align="center">
-  <img src="./src/assets/dividers/confitty-terminal-divider.svg" alt="divider" width="100%">
-</div>
+---
 
 ## 🛠️ Development
 
@@ -167,9 +159,7 @@ Output directory: `dist/confitty/`
 
 **Architecture:** 100% client-side. No backend required; runs entirely in the browser.
 
-<div align="center">
-  <img src="./src/assets/dividers/confitty-terminal-divider.svg" alt="divider" width="100%">
-</div>
+---
 
 ## 🤝 Contributing