added readme and svelte

src/lib/server/db/schema.js

@@ -0,0 +1,16 @@
+import { sqliteTable, integer, text } from 'drizzle-orm/sqlite-core';
+
+export const user = sqliteTable('user', {
+	id: text('id').primaryKey(),
+	age: integer('age'),
+	username: text('username').notNull().unique(),
+	passwordHash: text('password_hash').notNull()
+});
+
+export const session = sqliteTable('session', {
+	id: text('id').primaryKey(),
+	userId: text('user_id')
+		.notNull()
+		.references(() => user.id),
+	expiresAt: integer('expires_at', { mode: 'timestamp' }).notNull()
+});