refactor: btanalysis -> package

Author: xmatthias

freqtrade/data/btanalysis/__init__.py

@@ -0,0 +1,29 @@
+# flake8: noqa: F401
+from .btanalysis import (
+    BT_DATA_COLUMNS,
+    analyze_trade_parallelism,
+    delete_backtest_result,
+    evaluate_result_multi,
+    extract_trades_of_period,
+    find_existing_backtest_stats,
+    get_backtest_market_change,
+    get_backtest_result,
+    get_backtest_resultlist,
+    get_latest_backtest_filename,
+    get_latest_hyperopt_file,
+    get_latest_hyperopt_filename,
+    get_latest_optimize_filename,
+    load_and_merge_backtest_result,
+    load_backtest_analysis_data,
+    load_backtest_data,
+    load_backtest_metadata,
+    load_backtest_stats,
+    load_exit_signal_candles,
+    load_file_from_zip,
+    load_rejected_signals,
+    load_signal_candles,
+    load_trades,
+    load_trades_from_db,
+    trade_list_to_dataframe,
+    update_backtest_metadata,
+)