Add extra social handles (#1452)

Fix #1328 

<img width="456" height="472" alt="image"
src="https://github.com/user-attachments/assets/6899d28d-c7c7-4739-a630-bccf1c3d5677"
/>

Co-authored-by: Ege Akman <me@egeakman.dev>

Author: nikoshell

src/components/SocialLinks.astro

@@ -18,6 +18,7 @@ const socialMap = {
   discord: { icon: "discord", label: "Discord", color: "#5865f2" },
   facebook: { icon: "facebook", label: "Facebook", color: "#1877f2" },
   youtube: { icon: "youtube", label: "YouTube", color: "#ff0000" },
+  tiktok: { icon: "tiktok", label: "TikTok", color: "#000000" },
 };
 ---
 

src/content/config.ts

@@ -108,6 +108,8 @@ const speakers = defineCollection({
     mastodon_url: z.string().url().nullable(),
     bluesky_url: z.string().url().nullable().optional(),
     twitter_url: z.string().url().nullable(),
+    discord: z.string().url().nullable().optional(),
+    tiktok: z.string().url().nullable().optional(),
   }),
 });
 
@@ -224,6 +226,7 @@ const sponsors = defineCollection({
         discord: z.string().url().optional().nullable(),
         facebook: z.string().url().optional().nullable(),
         youtube: z.string().url().optional().nullable(),
+        tiktok: z.string().url().optional().nullable(),
       })
       .optional(),
     event_name: z.string().optional().nullable(),