Update categories.json

Renamed:
- Sport to Sports

Added:
- Relax

Removed:
- Reality

scripts/categories.json

@@ -100,8 +100,8 @@
     "nsfw": false
   },
   {
-    "name": "Reality",
-    "id": "reality",
+    "name": "Relax",
+    "id": "relax",
     "nsfw": false
   },
   {
@@ -125,8 +125,8 @@
     "nsfw": false
   },
   {
-    "name": "Sport",
-    "id": "sport",
+    "name": "Sports",
+    "id": "sports",
     "nsfw": false
   },
   {