fix: point /l/discord at discord.com to skip a redirect

Author: trollixx

src/links.ts

@@ -2,7 +2,7 @@ export const linkMap: Record<string, string> = {
     contact: "https://zealdocs.org/contact.html",
     download: "https://zealdocs.org/download.html",
 
-    discord: "https://discord.gg/KKX6HNH",
+    discord: "https://discord.com/invite/KKX6HNH",
     github: "https://github.com/zealdocs/zeal",
     gitter: "https://gitter.im/zealdocs/zeal",
     twitter: "https://twitter.com/zealdocs",