Added shell scripts for repository cleanup

repo-cleanup.cmd

@@ -0,0 +1,26 @@
+@ECHO OFF
+TITLE Clean up Unity Project repo
+SETLOCAL EnableDelayedExpansion
+
+CALL :cleanup --dry-run || GOTO die
+
+CHOICE /M "Execute"
+IF !ERRORLEVEL! NEQ 1 (
+	ECHO Aborting cleanup...
+) ELSE (
+	CALL :cleanup || GOTO die
+	ECHO Done.
+)
+
+:end
+PAUSE
+EXIT /B 0
+
+:die
+PAUSE
+EXIT /B %ERRORLEVEL%
+
+
+:cleanup
+	git clean -dfX %* "%~dp0." || EXIT /B
+	EXIT /B 0

repo-cleanup.sh

@@ -0,0 +1,30 @@
+#!/bin/sh
+
+me="$(realpath "$0")"
+repository="$(dirname "$me")/."
+
+# I have no mouth but i must scream
+if [ ! -t 0 ]; then
+    if command -v x-terminal-emulator >/dev/null 2>&1; then
+        x-terminal-emulator -e "$me"
+    elif command -v xdg-terminal >/dev/null 2>&1; then
+        xdg-terminal "$me"
+    else
+        echo "Run me from the fucking terminal!" >"${me}.README"
+        exit 1
+    fi
+    exit 0
+fi
+
+git clean -dfX --dry-run "${repository}"
+
+printf "Execute [Y,N]?"; read -r yn
+if [ "$yn" = "${yn#[Yy]}" ] ;then 
+    echo "Aborting cleanup..."
+else
+    git clean -dfX "${repository}"
+    echo "Done."
+fi
+
+printf "Press any key to continue..."; read -r _
+exit 0