Initial scaffold: full-stack RackMapper application

Complete project scaffold with working auth, REST API, Prisma/SQLite
schema, Docker config, and React frontend for both Rack Planner and
Service Mapper modules. Both server and client pass TypeScript strict
mode with zero errors. Initial migration applied.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

scripts/hashPassword.ts

@@ -0,0 +1,20 @@
+/**
+ * Generates a bcrypt hash for use as ADMIN_PASSWORD_HASH env var.
+ *
+ * Usage:
+ *   npx tsx scripts/hashPassword.ts yourpassword
+ *
+ * Copy the output and paste it into your Docker env var or .env file.
+ */
+import bcrypt from 'bcryptjs';
+
+const password = process.argv[2];
+
+if (!password) {
+  console.error('Usage: npx tsx scripts/hashPassword.ts <password>');
+  process.exit(1);
+}
+
+bcrypt.hash(password, 12).then((hash) => {
+  console.log(hash);
+});