fix(readme): update Discord link and remove obsolete screenshot

- Changed the Discord link in README.md to the new URL for better accessibility.
- Deleted the obsolete screenshot 'deny actions.png' from the project to clean up unused files.
- Added new screenshots to the landing data for enhanced visual representation of features.

README.md

@@ -19,7 +19,7 @@
 <p align="center">
   <a href="https://github.com/777genius/claude_agent_teams_ui/releases/latest"><img src="https://img.shields.io/github/v/release/777genius/claude_agent_teams_ui?style=flat-square&label=version&color=blue" alt="Latest Release" /></a>&nbsp;
   <a href="https://github.com/777genius/claude_agent_teams_ui/actions/workflows/ci.yml"><img src="https://github.com/777genius/claude_agent_teams_ui/actions/workflows/ci.yml/badge.svg" alt="CI Status" /></a>&nbsp;
-  <a href="https://discord.gg/m5gszZKG"><img src="https://img.shields.io/badge/Discord-Join%20us-5865F2?style=flat-square&logo=discord&logoColor=white" alt="Discord" /></a>
+  <a href="https://discord.gg/RgBHMBsn"><img src="https://img.shields.io/badge/Discord-Join%20us-5865F2?style=flat-square&logo=discord&logoColor=white" alt="Discord" /></a>
 </p>
 
 <p align="center">

landing/data/screenshots.ts

@@ -19,4 +19,7 @@ export const screenshots: (Omit<Screenshot, "src"> & { path: string })[] = [
   { path: "screenshots/7.png", alt: "Cross-team messaging", width: 1920, height: 1080 },
   { path: "screenshots/8.png", alt: "Task details and comments", width: 1920, height: 1080 },
   { path: "screenshots/9.png", alt: "Built-in code editor", width: 1920, height: 1080 },
+  { path: "screenshots/10.png", alt: "Task details with code changes and execution logs", width: 2624, height: 1642 },
+  { path: "screenshots/11.png", alt: "Agent code review comments and task workflow", width: 2624, height: 1696 },
+  { path: "screenshots/12.png", alt: "Allow or deny agent actions with live preview", width: 2624, height: 1646 },
 ];