Overhaul IDA script output and add progress waitbox

Il2CppInspector.Common/Outputs/ScriptResources/shared-preamble.py

@@ -1,6 +1,13 @@
-# Generated script file by Il2CppInspector - http://www.djkaty.com - https://github.com/djkaty
+# Generated script file by Il2CppInspectorRedux - https://github.com/LukeFZ (Original Il2CppInspector by http://www.djkaty.com - https://github.com/djkaty)
 # Target Unity version: %TARGET_UNITY_VERSION%
 
 import json
 import os
 import sys
+
+class BaseStatusHandler:
+	def initialize(self): pass
+	def update_step(self, name, max_items = 0): print(name)
+	def update_progress(self, progress = 1): pass
+	def was_cancelled(self): return False
+	def close(self): pass