feat: use diesel-cli instead of hand writing tables

after reading the documentation, crazy right? I figured out i was making my life hard, this makes my life easy again

migrations/2025-05-21-193500_create_guilds/up.sql

@@ -0,0 +1,13 @@
+-- Your SQL goes here
+CREATE TABLE guilds (
+    uuid uuid PRIMARY KEY NOT NULL,
+    owner_uuid uuid NOT NULL REFERENCES users(uuid),
+    name VARCHAR(100) NOT NULL,
+    description VARCHAR(300)
+);
+CREATE TABLE guild_members (
+    uuid uuid PRIMARY KEY NOT NULL,
+    guild_uuid uuid NOT NULL REFERENCES guilds(uuid) ON DELETE CASCADE,
+    user_uuid uuid NOT NULL REFERENCES users(uuid),
+    nickname VARCHAR(100) DEFAULT NULL
+);