Add RuinaDecks (#152)

mods/Someone23832@RuinaDecks/description.md

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+#Ruina Decks
+WIP, but most of the way there. Adds in 8 out of 10 currently planned decks, may be bugs. For bugs, suggestions, thoughts on balance, or anything else, visit the github or thread in the Balatro Discord.

mods/Someone23832@RuinaDecks/meta.json

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+{
+  "title": "Ruina Decks",
+  "requires-steamodded": true,
+  "requires-talisman": false,
+  "categories": [
+    "Content"
+  ],
+  "author": "Someone23832",
+  "repo": "https://github.com/someone23832/RuinaDecks",
+  "downloadURL": "https://github.com/someone23832/RuinaDecks/archive/refs/heads/main.zip",
+  "automatic-version-check": true,
+  "version": "84c9b5e"
+}