Add SiIvaGunner@Qualatro mod (#495)

Qualatro is a mod based on SiIvaGunner youtube channel, developed by the
SiIvaGunner team. You can view the trailer
[here](https://www.youtube.com/watch?v=_neOwdskwKo).

mods/SiIvaGunner@Qualatro/description.md

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+# Qualatro
+
+### SiIvaGunner's High-Quality Balatro Mod
+Please read the challenge description.
+
+https://highquality.rip/qualatro/
+
+<img width="2004" height="934" alt="qualatro_logo" src="https://github.com/user-attachments/assets/aca63beb-6387-45fc-afa0-4d3045adf799" />
+
+[Qualatro Release Trailer](https://www.youtube.com/watch?v=_neOwdskwKo)  
+[Qualatro Soundtrack](https://www.youtube.com/watch?v=ICntbWkX648)
+
+Minimum smods version required: 1.0.0~BETA-1016c  
+Report bugs/crashes: https://github.com/SiIvaGunner/qualatro/issues

mods/SiIvaGunner@Qualatro/meta.json

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+{
+  "title": "Qualatro",
+  "requires-steamodded": true,
+  "requires-talisman": false,
+  "categories": [
+    "Joker",
+    "Content",
+    "Miscellaneous"
+  ],
+  "author": "SiIvaGunner",
+  "repo": "https://github.com/SiIvaGunner/qualatro",
+  "downloadURL": "https://github.com/SiIvaGunner/qualatro/releases/latest/download/Qualatro.zip",
+  "folderName": "Qualatro",
+  "version": "v1.0.1",
+  "automatic-version-check": true
+}