Update README - fix download links, activity count, and accuracy

- Fix download links to point to Gitea releases page (not GitHub-style relative URLs)
- Correct activity count from 70 to 72
- Enlarge break screen screenshot
- Add missing IPC entries (natural-break-detected event, cursor/window commands)
- Add msvc_compat.rs to backend modules table
- Update winapi description to include WebView2 check dialog
- Remove unused dirs crate from dependencies

src-tauri/Cargo.toml

@@ -17,7 +17,6 @@ tauri-plugin-notification = "2"
 tauri-plugin-global-shortcut = "2"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
-dirs = "5"
 chrono = "0.4"
 anyhow = "1"