Update users table and fix potential panic as fk references users before its created.

internal/storage/migrations/0001_initial_create.up.sql

@@ -4,6 +4,17 @@
 -- - utf8mb4 for full Unicode
 -- Booleans are TINYINT(1). Dates use DATE/DATETIME/TIMESTAMP as appropriate.
 
+-- USERS
+CREATE TABLE IF NOT EXISTS users (
+  id            BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
+  username      VARCHAR(191) NOT NULL UNIQUE,
+  email         VARCHAR(255) NOT NULL UNIQUE,
+  password_hash VARCHAR(255) NOT NULL,
+  is_admin      TINYINT(1) NOT NULL DEFAULT 0,
+  created_at    DATETIME NOT NULL DEFAULT UTC_TIMESTAMP(),
+  updated_at    DATETIME NOT NULL DEFAULT UTC_TIMESTAMP()
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
 CREATE TABLE audit_registration (
     id BIGINT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
     user_id BIGINT UNSIGNED NOT NULL,
@@ -18,14 +29,6 @@ CREATE TABLE audit_registration (
         ON DELETE CASCADE
 );
 
--- USERS
-CREATE TABLE IF NOT EXISTS users (
-  id           BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
-  username     VARCHAR(191) NOT NULL UNIQUE,
-  password_hash VARCHAR(255) NOT NULL,
-  is_admin     TINYINT(1) NOT NULL DEFAULT 0
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
 -- THUNDERBALL RESULTS
 CREATE TABLE IF NOT EXISTS results_thunderball (
   id          BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,