Added a bunch more old, inactive mods

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

mods/GauntletGames-2086@D6Jokers/description.md

@@ -0,0 +1 @@
+Adds the enhancement "X Card" to the game. X Cards have wild ranks, but two X Cards in the same hand cannot mimic the same rank

mods/GauntletGames-2086@D6Jokers/meta.json

@@ -0,0 +1,9 @@
+{
+    "title": "D6 Jokers",
+    "requires-steamodded": true,
+    "requires-talisman": false,
+    "categories": ["Joker"],
+    "author": "GauntletGames-2086",
+    "repo":"https://github.com/GauntletGames-2086/D6-Jokers",
+    "downloadURL":"https://github.com/GauntletGames-2086/D6-Jokers/archive/refs/heads/main.zip"
+}