Metar overhaul, added footer, updated schemas

api/migrations/20250513_initial.sql

@@ -65,8 +65,8 @@ CREATE TABLE IF NOT EXISTS metars (
 CREATE INDEX ON metars (observation_time DESC);
 
 CREATE TABLE IF NOT EXISTS users (
-    id UUID UNIQUE NOT NULL,
-    email TEXT NOT NULL,
+    username TEXT PRIMARY KEY NOT NULL,
+    email TEXT,
     email_verified BOOLEAN NOT NULL DEFAULT false,
     password_hash TEXT NOT NULL,
     role TEXT NOT NULL,
@@ -74,6 +74,5 @@ CREATE TABLE IF NOT EXISTS users (
     last_name TEXT NOT NULL,
     avatar TEXT,
     created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
-    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
-    PRIMARY KEY(email)
+    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
 );