[Update] Build scripts and configuration: Added new build and install scripts, updated versioning in config files, and improved project structure.

utils/task_kill.py

@@ -0,0 +1,12 @@
+import subprocess
+
+# VRCT-sidecar.exe を強制終了
+try:
+    subprocess.run(
+        ["taskkill", "/IM", "VRCT-sidecar.exe", "/F"],
+        check=False,
+        stdout=subprocess.DEVNULL,
+        stderr=subprocess.DEVNULL
+    )
+except Exception:
+    pass