Added a bunch more old, inactive mods

Also added Codex Arcanum and fixed an inaccuracy in the HandyBalatro listing.

mods/TetraMinus@TetraPak/description.md

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+A small content pack for balatro, Not limited or themed, just what I think is cool. Currently a few jokers and a few spectrals. Also add a new type of joker, the curse joker, an actively detrimental joker gained only through special means. Content list: https://tetraminus.github.io/TetrapakWebsite/

mods/TetraMinus@TetraPak/meta.json

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+{
+    "title": "Tetrapak",
+    "requires-steamodded": true,
+    "requires-talisman": false,
+    "categories": ["Content"],
+    "author": "Tetraminus",
+    "repo":"https://github.com/tetraminus/Tetrapak",
+    "downloadURL":"https://github.com/tetraminus/Tetrapak/archive/refs/heads/main.zip"
+}