feat: implement auth system, passkeys, and user management

Add PostgreSQL and Redis integration for users and sessions
Implement password and WebAuthn passkey login flows
Add Docker stack, super-admin seeding, and protected routes

server/api/auth/passkey/login/options.post.ts

@@ -0,0 +1,17 @@
+import { generateAuthenticationOptions } from '@simplewebauthn/server'
+
+import { createLoginChallenge, getWebAuthnConfig } from '../../../../utils/webauthn'
+
+export default defineEventHandler(async (event) => {
+  const config = getWebAuthnConfig(event)
+  const options = await generateAuthenticationOptions({
+    rpID: config.rpID,
+    userVerification: 'preferred'
+  })
+  const challengeToken = await createLoginChallenge(options.challenge)
+
+  return {
+    options,
+    challengeToken
+  }
+})