added markdown readme

readme.md

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+## backup
+
+password ma+pi
+
+```bash
+sudo tar -czf stocktrader.tar.gz --exclude='/home/mhe/projects/stocktrader/frontend/node_modules' --exclude='/home/mhe/projects/stocktrader/database' --exclude='/home/mhe/projects/stocktrader/frontend/.angular/cache'    /home/mhe/projects/stocktrader
+```
+Service API:
+
+test mit http://localhost:8000/docs
+
+### Health Zustand abfragen
+GET http://localhost:8000/api/health
+ 
+### Authorisierung
+GET /api/auth/login
+
+http://localhost:8000/api/auth/login
+
+### Liste aller Aktien
+GET /api/stocks/list
+
+http://localhost:8000/api/stocks/list
+
+### Details zu einem Symbol (StockInfo)
+GET /api/stocks/information?ticker=SYMBOL
+
+http://localhost:8000/api/stocks/information?ticker=AAPL
+
+### History (Kursverlauf einer Aktie)
+GET /api/stocks/{SYMBOL}/history?period=PERIOD 
+
+http://localhost:8000/api/stocks/AAPL/history
+http://localhost:8000/api/stocks/AAPL/history?period=24h
+
+### Historien mehrerer Symbole (Batch)
+GET /api/stocks/histories?symbols=SYM1&symbols=SYM2&period=PERIOD
+
+http://localhost:8000/api/stocks/histories?symbols=AAPL&symbols=TSLA&period=24h
+
+### Heatmap
+GET /api/stocks/heatmap?type=TYPE&period=PERIOD
+
+http://localhost:8000/api/stocks/heatmap?type=S&P&period=24h
+
+### Performance
+GET /api/stocks/performance?interval=PERIOD
+GET /api/stocks/performance?start=STARTDATE&end=ENDDATE
+GET /api/stocks/performance?actual_balance 
+GET /api/stocks/performance?total_return_all 
+
+http://localhost:8000/api/performance?interval=1month
+http://localhost:8000/api/performance?start=2023-01-01&end=2023-12-31
+http://localhost:8000/api/performance?actual_balance 
+http://localhost:8000/api/performance?total_return_all 
+
+### failure Analysis
+GET /api/failure
+
+http://localhost:8000/api/failure
+
+### Dashboard
+GET /api/failudashboard
+
+http://localhost:8000/api/dashboard
+
+## Post:
+
+### Update einer Aktie
+POST http://localhost:8000/api/stocks/update
+
+Service WS:
+http://localhost:8000/ws/ticks
+http://localhost:8000/ws/stocks