update plot.py to README.md project structure

Author: tal123ph

README.md

@@ -57,7 +57,7 @@ Quantifying/
 │   ├── 1-fetch/
 │   ├── 2-process/
 │   ├── 3-report/
-    └── plot.py  # Data visualisations with matplotlib
+│   ├── plot.py # Data visualizations with matplotlib
 │   └── shared.py
 ├── .cc-metadata.yml
 ├── .flake8  # Python tool configuration