Initial commit: Tablet lending system with user-tablet many-to-many relationship

- Database schema: tablets, users, loans (junction table)
- CLI app: minimal_app.py
- Web apps: app.py (Flask), simple_app.py (http.server)
- Features: loan management, search, user loans view, project notes
- Git structure: CONTRIBUTING.md, .gitignore

Generated by Mistral Vibe.
Co-Authored-By: Mistral Vibe <vibe@mistral.ai>

RUNNING.md

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+# Tablet Management System - Running
+
+✅ **Status**: Application is running successfully!
+
+## Access Information
+
+- **Web Interface**: [http://localhost:5000](http://localhost:5000)
+- **Port**: 5000
+- **Framework**: Flask 3.1.3
+- **Database**: SQLite (`tablets.db`)
+
+## How to Use
+
+### Web Interface
+1. Open your browser to: [http://localhost:5000](http://localhost:5000)
+2. Use the navigation menu to:
+   - **Home**: View available tablets and active loans
+   - **Add Tablet**: Add new tablets to inventory
+   - **Add User**: Register new users
+   - **Loan Tablet**: Loan a tablet to a user
+   - **Loan History**: View complete loan history
+
+### Command Line (Alternative)
+If you prefer command line:
+```bash
+# Run the interactive application
+python3 minimal_app.py
+
+# Run the test/demo
+python3 test_app.py
+```
+
+## Current Data
+The system already contains test data:
+- **3 Tablets**: Samsung Galaxy Tab S7, Apple iPad Pro, Lenovo Tab P11
+- **3 Users**: John Doe, Jane Smith, Bob Johnson
+- **2 Loans**: One active, one returned
+
+## Stopping the Server
+To stop the Flask application:
+```bash
+pkill -f "python app.py"
+```
+
+## Technical Details
+- **Backend**: SQLite 3
+- **Frontend**: Flask with HTML/CSS
+- **Port**: 5000 (configurable in app.py)
+- **Virtual Environment**: `.venv/` (created with uv)
+
+## Troubleshooting
+If you have issues:
+1. Check if the server is running: `ps aux | grep app.py`
+2. Check the database: `sqlite3 tablets.db`
+3. Restart the server: `source .venv/bin/activate && python app.py`
+
+Enjoy managing your tablets! 📱💻