Phase 0: Environment setup - Docker infrastructure and project scaffolding

Created complete project structure for mc-webui MVP:
- Docker configuration (Dockerfile, docker-compose.yml)
- Environment configuration (.env.example)
- Python dependencies (requirements.txt)
- Project documentation (README.md)
- Git ignore rules (.gitignore)
- Directory structure for app, routes, templates, static files

Ready for Phase 1: Backend implementation

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

.env.example

@@ -0,0 +1,39 @@
+# mc-webui Environment Configuration
+# Copy this file to .env and adjust values for your setup
+
+# ============================================
+# MeshCore Device Configuration
+# ============================================
+
+# Serial port path (use /dev/serial/by-id for stable device names)
+# Find your device: ls -l /dev/serial/by-id/
+MC_SERIAL_PORT=/dev/serial/by-id/usb-Espressif_Systems_heltec_wifi_lora_32_v4__16_MB_FLASH__2_MB_PSRAM__90706984A000-if00
+
+# Your MeshCore device name (used for .msgs file)
+MC_DEVICE_NAME=MarWoj
+
+# MeshCore configuration directory (where .msgs file is stored)
+MC_CONFIG_DIR=/root/.config/meshcore
+
+# ============================================
+# Application Settings
+# ============================================
+
+# Auto-refresh interval in seconds
+MC_REFRESH_INTERVAL=60
+
+# Hours of inactivity before contacts can be cleaned up
+MC_INACTIVE_HOURS=48
+
+# ============================================
+# Flask Server Configuration
+# ============================================
+
+# Listen on all interfaces (0.0.0.0) or specific IP
+FLASK_HOST=0.0.0.0
+
+# Port to expose the web interface
+FLASK_PORT=5000
+
+# Debug mode (true/false) - use false in production
+FLASK_DEBUG=false