Add VRC OSC tooling

VRWT_Tool/VRC_OSC/bin/vrc_osc.ps1

@@ -0,0 +1,7 @@
+$ErrorActionPreference = "Stop"
+
+$ScriptDir = Split-Path -Parent $MyInvocation.MyCommand.Path
+$RootDir = Resolve-Path (Join-Path $ScriptDir "..")
+$EntryPoint = Join-Path $RootDir "bin\vrc_osc.py"
+
+python $EntryPoint