Added shell scripts for repository reset

repo-reset.cmd

@@ -0,0 +1,33 @@
+@ECHO OFF
+TITLE Reset Unity Project repo
+SETLOCAL
+
+CD "%~dp0"
+git rev-parse --is-inside-work-tree >NUL || GOTO die
+
+FOR /F "delims=" %%x IN ('git rev-parse --abbrev-ref "@{u}" 2^>NUL') DO SET "upstream=%%x"
+IF NOT DEFINED upstream (
+	ECHO *** ERROR: No upstream is configured for current branch
+	GOTO die
+)
+
+ECHO Going to reset current branch to: %upstream%
+ECHO *** WARNING: All local changes and commits will be lost!
+
+ECHO.
+CHOICE /M "Execute"
+IF %ERRORLEVEL% NEQ 1 (
+	ECHO Aborting reset...
+) ELSE (
+	git fetch --all || GOTO die
+	git reset --hard "%upstream%" || GOTO die
+	ECHO Done.
+)
+
+:end
+PAUSE
+EXIT /B 0
+
+:die
+PAUSE
+EXIT /B %ERRORLEVEL%