feat: add email verification system

Co-Authored-By: JustTemmie <git@beaver.mom>

migrations/2025-05-27-162114_create_email_tokens/up.sql

@@ -0,0 +1,7 @@
+-- Your SQL goes here
+CREATE TABLE email_tokens (
+    token VARCHAR(64) NOT NULL,
+    user_uuid uuid UNIQUE NOT NULL REFERENCES users(uuid),
+    created_at TIMESTAMPTZ NOT NULL,
+    PRIMARY KEY (token, user_uuid)
+);