Added a bunch more old, inactive mods

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

mods/Numbuh214@XCards/meta.json

@@ -0,0 +1,9 @@
+{
+    "title": "X-Cards",
+    "requires-steamodded": true,
+    "requires-talisman": false,
+    "categories": ["Content"],
+    "author": "Numbuh214",
+    "repo":"https://github.com/Numbuh214/X-Card",
+    "downloadURL":"https://github.com/Numbuh214/X-Card/archive/refs/heads/main.zip"
+}