docs: replace boilerplate README with car64 project guide

README.md

@@ -1,17 +1,38 @@
-# hwhub
+# car64
 
-A new Flutter project.
+car64 is a Flutter + Supabase Hot Wheels collector app with a fast scanning workflow, private photo storage, collaborative collections, and community-based catalog validation.
 
-## Getting Started
+## Core Features
 
-This project is a starting point for a Flutter application.
+- Lightning add flow with barcode/OCR scanning and active collection selection.
+- Global catalog (`global_cars`) + personal entries (`hotwheels`) architecture.
+- Private storage (`car-images`) with signed URL rendering for collection members.
+- In-app photo compression pipeline (target max 1080px and <500 KB uploads).
+- Collaborative garages via `collections` + `collection_members`.
+- Community validation with `car_votes`, `confirmation_count`, and verification state.
 
-A few resources to get you started if this is your first Flutter project:
+## Local Development
 
-- [Learn Flutter](https://docs.flutter.dev/get-started/learn-flutter)
-- [Write your first Flutter app](https://docs.flutter.dev/get-started/codelab)
-- [Flutter learning resources](https://docs.flutter.dev/reference/learning-resources)
+1. Install Flutter (stable) and run `flutter doctor`.
+2. Configure Supabase keys in app configuration.
+3. Install dependencies:
 
-For help getting started with Flutter development, view the
-[online documentation](https://docs.flutter.dev/), which offers tutorials,
-samples, guidance on mobile development, and a full API reference.
+	```bash
+	flutter pub get
+	```
+
+4. Run the app:
+
+	```bash
+	flutter run
+	```
+
+## Quality Check
+
+```bash
+flutter analyze
+```
+
+## Reference
+
+- Product and backend requirements: `TPB.md`