chore(config): centralize feature settings

lib/config.ts

@@ -13,7 +13,14 @@ export interface ProfileConfig {
   avatar: string;
 }
 
+const DISCORD_INVITE_URL = "https://discord.com/invite/3cZQbvW6cF";
+
 export const config = {
+  site: {
+    url: "https://erika.sudloh.com",
+    discordInviteUrl: DISCORD_INVITE_URL,
+    statusUrl: "https://status.sudloh.com",
+  },
   profile: {
     name: "Erika!",
     desc: "แหล่งรวมลิ้งค์ของช่อง Erika!",
@@ -34,7 +41,7 @@ export const config = {
     },
     {
       name: "Discord server",
-      link: "https://discord.com/invite/3cZQbvW6cF",
+      link: DISCORD_INVITE_URL,
       desc: "เข้าเซิร์ฟเวอร์ในดิส",
       icon: "discord",
     },