fix: json formating

Author: awwpotato

themes.json

@@ -180,7 +180,7 @@
     "description": "A simple rounded theme",
     "image": "assets/img/themes/22381112138598-fe8cd400-8bd1-11eb-8eed-edcca2c689d8.webp",
     "tags": [ "rounded", "minimal" ]
-  },
+  },SyntaxError:
   {
     "title": "Elegant Nord Theme",
     "link": "https://github.com/rafamadriz/Firefox-Elegant-NordTheme",
@@ -795,7 +795,7 @@
     "link": "https://codeberg.org/awwpotato/FirefoxCSS/",
     "description": "A compact and minimal firefox theme using Sidebery",
     "image": "assets/img/themes/PotatoFox.webp",
-    "tags": ["minimal","compact","vertical tabs","Sidebery","arc"]
+    "tags": ["minimal","compact","vertical tabs","Sidebery","arc"],
   },
   {
     "title": "MiniFox",