Add strategy structure template with README

desc-strat/README.md

@@ -0,0 +1,11 @@
+There should be a folder per strategy with following elements:
+
+```
+│   ├── strategy-001/         # Each strategy in its own directory
+│   │   ├── prompt.md         # The detailed prompt used
+│   │   ├── strategy.pine     # Generated PineScript code
+│   │   ├── results.json      # Backtest results file (JSON?)
+│   │   └── README.md         # Strategy description and summary
+│   └── strategy-002...
+
+```