Add desktop launcher script for one-click garage capture

run_capture.cmd

@@ -0,0 +1,23 @@
+@echo off
+setlocal
+cd /d "%~dp0"
+
+if not exist capture.toml (
+    echo No capture.toml found.
+    echo Copy capture.toml.example to capture.toml and adjust the paths first.
+    pause
+    exit /b 1
+)
+
+if not exist target\release\capture.exe (
+    echo Building capture binary ...
+    cargo build --release --bin capture
+    if errorlevel 1 (
+        pause
+        exit /b 1
+    )
+)
+
+target\release\capture.exe run
+echo.
+pause