d3d12.dll, next to the game executable called Hades2.exe inside the game folder.Hell2Modding/config/Hotkeys.cfg fileDefine a main.lua file in which to code your mod.
Create a manifest.json file that follows the Thunderstore Version 1 Manifest format.
Create a folder whose name follows the GUID format TeamName-ModName, for example: Hell2Modding-DebugToolkit.
Place the main.lua file and the manifest.json file in the folder you've just created.
Place the newly created folder in the plugins folder in the Hell2Modding root folder, called Hell2Modding, so the path to your manifest.json should be something like Hell2Modding/plugins/Hell2Modding-DebugToolkit/manifest.json.
You can check the existing examples in that github repository if you wanna try stuff out.
Interesting folders under the root folder:
plugins: Location of .lua, README, manifest.json files.plugins_data: Used for data that must persist between sessions but not be manipulated by the user.config: Used for data that must persist between sessions and that can be manipulated by the user.