feat(Reporting): added backtesting with vectorbt (#148)

* feat(Reporting): added vectorbt-based backtest

* fix(Reporting): added transaction costs

* feat(Reporting): added ability to rebalance only every n days

* feat(Dependencies): added pytorch

* fix(Dependencies): added pytorch-lightning

* feat(CI): added portfolio reporting step

* feat(Reporting): save weights as well

* fix(Reporting): start with less cash

.github/workflows/test.yml

@@ -23,6 +23,10 @@ jobs:
         shell: bash -l {0}
         run: |
           python run_pipeline.py
+      - name: Run portfolio reporting
+        shell: bash -l {0}
+        run: |
+          python run_portfolio_reporting.py
       - uses: actions/upload-artifact@v2
         with:
           name: artifacts