Implement full discord OAuth api flow

apps/api/src/services/accounts.ts

@@ -14,18 +14,19 @@ export class AccountsService {
     }
 
     async create(discordId: string, email?: string, name?: string) {
-        await db.insertInto("accounts")
+        return await db.insertInto("accounts")
             .values({
                 discord_id: discordId,
                 name: name ?? "",
                 email: email ?? null
             })
-            .execute();
+            .returning("id")
+            .executeTakeFirstOrThrow();
     }
 
     async get(id: string) {
         return await (db).selectFrom("accounts")
-            .select(["discord_id", "name", "email", "gender"])
+            .select(["id", "discord_id", "name", "email", "gender"])
             .where(...AccountsService.idComparison(id))
             .executeTakeFirst();
     }