Put some instructions in the readme

README.md

@@ -7,4 +7,18 @@ It currently supports creating Windows, Linux and Android mods.
 For actual mod creation, it is recommended to use Game Maker: Studio and the [AM2R Community Updates repository](https://github.com/AM2R-Community-Developers/AM2R-Community-Updates), but they can be created with [UndertaleModTool](https://github.com/krzys-h/UndertaleModTool) as well. 
 
 ## Usage instructions
-Currently todo, as they should be self-explanatory anyways.
+![grafik](https://user-images.githubusercontent.com/38186597/130315943-4ae7b97d-0ded-4d0d-830f-c779b0ad934a.png)
+
+* Mod name: Specify the name of the mod
+* Author: Specify the authors of the mod
+* Version: Specify the version of the mod
+* Mod notes (optional): Specify notes the users will see about the mod. Consider this like a readme.
+* Uses custom save directory: Specify wether or not your mod uses a custom save directory and if yes, which one. Only save locations in `%localappdata` are supported
+* Uses custom music: Specify wether or not your mod has custom music in it.
+* Uses the YoYo Compiler: Specify wether or not your mod was built with the YoYo Compiler or not. A quick way to find out, is try opening the `data.win` file in the above mentioned UndertaleModTool. If the tool mentions that it was built with YYC, or the file does not exist, it's YYC.
+* Supports Android: Specify wether or not your mod supports Android, and if yes load in the modded Android APK
+* Supports Linux: Specify wether or not your mod supports Linux, and if yes load in the modded Linux zip. For GameMaker: Studio users, you can just use the one that gets created. For non GM:S users, please make sure that the executable is either named `AM2R` or `runner` and that neither the `assets` folder nor the executable is in a subfolder.
+* Load 1.1: Select your valid 1.1 Zip. If you get an error, make sure that the game isn't in any subfolder.
+* Load modded game: Select a zip of your modded game for Windows. If you get a warning, make sure that your mod is not placed in any subfolder.
+
+After filling everything out appropriately, just click on the `Create Mod package(s)` button, which will ask you where to save your AM2RLauncher-compatible mod and then create them.