Update README with download links and new sections

Added download links and enhanced the README structure.

Signed-off-by: CelloSerenity <195480169+CelloSerenity@users.noreply.github.com>

README.md

@@ -1,7 +1,27 @@
+# <img height="35" src="/LocalDevVPN/Assets.xcassets/AppIcon.appiconset/image-5.png" alt="Logo"> LocalDevVPN
+## Download
+<div align="center" style="display: flex; justify-content: center; align-items: center; gap: 16px; flex-wrap: wrap;">
+  <a href="https://apps.apple.com/us/app/localdevvpn/id6755608044" target="_blank" rel="noopener noreferrer">
+    <img 
+      src="https://developer.apple.com/assets/elements/badges/download-on-the-app-store.svg" 
+      alt="Download on the App Store"
+      style="height: 80px; width: auto; border-radius: 14px;"
+    >
+  </a>
+  <a href="https://intradeus.github.io/http-protocol-redirector?r=altstore-pal://source?url=https://adp.se2crid.me/" 
+     target="_blank" rel="noopener noreferrer">
+    <img 
+      src="https://github.com/user-attachments/assets/0cadc474-ca12-4b83-b04c-2962087cabcb" 
+      alt="Add to AltStore PAL"
+      style="height: 80px; width: auto; border-radius: 14px;"
+    >
+  </a>
+</div>
+
+## About
 LocalDevVPN is a developer tool for creating and managing local network tunnels directly on iOS. It gives you a secure, isolated virtual interface for testing and debugging without sending traffic to external servers.
 
 Key Features:
-
   - Local network tunneling: spin up a dedicated virtual interface for development and testing
   - Custom network configuration: set device IP, tunnel IP, and subnet mask
   - One-touch connection: quick connect/disconnect with clear status
@@ -11,4 +31,5 @@
 
   Ideal for developers, network engineers, and testers who need precise control over a local network environment. All traffic stays on-device with no data collection or external
   connections. 
+  
   Requires iOS 14.0 or later.