Update favicon to new icon but also ico (#1094)

* Update favicon to new icon but also ico

* Update mintlify logo

Author: handotdev

docs.json

@@ -7,7 +7,7 @@
     "light": "#55D799",
     "dark": "#0D9373"
   },
-  "favicon": "/favicon.svg",
+  "favicon": "/favicon.ico",
   "icons": {
     "library": "lucide"
   },