Merge remote tracking branch into local development

- Resolved conflicts in README.md: Combined web-based config updates with multi-exchange support
- Resolved conflicts in main.go: Fixed database initialization and default coin settings
- Resolved conflicts in manager/trader_manager.go: Updated trader management for new database structure
- Resolved conflicts in web/src/App.tsx: Combined UI improvements with responsive design
- Resolved conflicts in web/.dockerignore: Merged dependency exclusions
- Removed deprecated files: Dockerfile, config/config.go, web/Dockerfile, ComparisonChart.tsx, CompetitionPage.tsx
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: tinkle-community <tinklefund@gmail.com>

web/vite.config.ts

@@ -4,6 +4,7 @@ import react from '@vitejs/plugin-react'
 export default defineConfig({
   plugins: [react()],
   server: {
+    host: '0.0.0.0',
     port: 3000,
     proxy: {
       '/api': {