Initial commit: MV Rent car rental management system

Spring Boot + Thymeleaf app: fleet, drivers, vendors, bookings, billing/
settlements, payments, maintenance, inspections, reviews, telematics, audit
log, staff/user management, and separate admin/vendor/driver portals.
Includes Docker Compose deployment (app + Postgres).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

.env.example

@@ -0,0 +1,21 @@
+# Copy to `.env` on the server and fill in real values.  NEVER commit the real .env.
+
+# ---- Database (required) ----
+DB_USER=postgres
+DB_PASSWORD=change-me-to-a-strong-password
+
+# ---- Email notifications (optional) ----
+MAIL_ENABLED=false
+MAIL_HOST=
+MAIL_PORT=587
+MAIL_USERNAME=
+MAIL_PASSWORD=
+MAIL_FROM=no-reply@mvrent.com
+MAIL_ADMIN=admin@mvrent.com
+
+# ---- GPS telematics ingest key (optional) ----
+TELEMATICS_API_KEY=
+
+# ---- Google OAuth2 login (optional) ----
+GOOGLE_CLIENT_ID=not-configured
+GOOGLE_CLIENT_SECRET=not-configured