feat: Implement initial Electron frontend with core UI, user and server settings, chat, and voice features, along with Convex backend schemas and functions.

convex/schema.ts

@@ -16,6 +16,7 @@ export default defineSchema({
     avatarStorageId: v.optional(v.id("_storage")),
     aboutMe: v.optional(v.string()),
     customStatus: v.optional(v.string()),
+    joinSoundStorageId: v.optional(v.id("_storage")),
   }).index("by_username", ["username"]),
 
   categories: defineTable({
@@ -126,7 +127,9 @@ export default defineSchema({
     .index("by_user_and_channel", ["userId", "channelId"]),
 
   serverSettings: defineTable({
+    serverName: v.optional(v.string()),
     afkChannelId: v.optional(v.id("channels")),
     afkTimeout: v.number(), // seconds (default 300 = 5 min)
+    iconStorageId: v.optional(v.id("_storage")),
   }),
 });