This pull request introduces a new mod called "Pokermon" for the game
Balatro. The changes include the addition of a description file and a
metadata file for the mod.
Details of the changes:
* Added a description for the "Pokermon" mod in
`mods/InertSteak@Pokermon/description.md`, explaining the content and
features of the mod.
* Created a metadata file `mods/InertSteak@Pokermon/meta.json` with
relevant information such as title, mod loader, category, author,
repository URL, and download URL.
