* Update Mod Loader and Tool addons
* Mod tool checks if script exists before reloading
* Change script export mode to Text for hook export
* Change return type of load_image_from_path to Texture2D
This commit delegates all Discord-related functions to DiscordManager.gd and adds a project setting bool to toggle using Discord RPC at all. Toggling off will reduce cpu and memory overhead when Discord is not needed.