add modrinth link

Author: cyoung06

docusaurus.config.ts

@@ -86,6 +86,11 @@ const config: Config = {
           position: 'left',
           label: 'Documentation',
         },
+        {
+          href: "https://modrinth.com/mod/dungeons-guide",
+          label: "Modrinth",
+          position: "right"
+        },
         {
           href: 'https://dungeons.guide/discord',
           label: 'Discord',
@@ -130,6 +135,10 @@ const config: Config = {
               label: 'GitHub',
               href: 'https://github.com/Dungeons-Guide/Skyblock-Dungeons-Guide',
             },
+            {
+              label: 'Modrinth',
+              href: 'https://modrinth.com/mod/dungeons-guide',
+            },
           ],
         },
       ],