start implementing auth

migrations/schema.sql

@@ -6,4 +6,12 @@ CREATE TABLE IF NOT EXISTS weather_readings (
     humidity INTEGER NOT NULL,
     conditions TEXT NOT NULL,
     fetched_at TIMESTAMP WITH TIME ZONE NOT NULL
-)
+);
+
+
+CREATE TABLE users (
+    id SERIAL PRIMARY KEY,
+    email TEXT UNIQUE NOT NULL,
+    password_hash TEXT NOT NULL,
+    created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW()
+);