Remove udev rules, add GNOME desktop entry & SVG icon, and support V4L2-only open on Linux

mise.toml

@@ -29,10 +29,6 @@ run = "cargo test --workspace"
 description = "Run the automated live hardware GUI verification sequence"
 run = "INSTA360_GUI_SELF_TEST=1 cargo run --release -p insta360-link-gui"
 
-[tasks.udev-install]
-description = "Install Linux udev rules for non-root USB access to Insta360 Link webcams"
-run = "sudo cp udev/99-insta360-link.rules /etc/udev/rules.d/99-insta360-link.rules && sudo udevadm control --reload-rules && sudo udevadm trigger"
-
 [tasks.package-release]
 description = "Build and package release binaries for a target (usage: mise run package-release [target] [version])"
 run = '''
@@ -96,7 +92,7 @@ else
   cp "target/${TARGET}/release/insta360-link-ctl" "$STAGE_DIR/"
   cp "target/${TARGET}/release/insta360-link-server" "$STAGE_DIR/"
   cp README.md "$STAGE_DIR/"
-  cp -r udev "$STAGE_DIR/"
+  cp -r assets "$STAGE_DIR/"
   tar -C dist -czf "dist/${STAGE_NAME}.tar.gz" "$STAGE_NAME"
   echo "Packaged dist/${STAGE_NAME}.tar.gz"
 fi