Added Debug Info for Line Ending Issues (#64)

* Added Debug Info for Line Ending Issues

* Updated Debug Message

* Define term WSL

Co-authored-by: Matt Watson <1389937+mattdangerw@users.noreply.github.com>

Author: aflah02

CONTRIBUTING.md

@@ -106,6 +106,12 @@ If after running these the CI flow is still failing, try updating `flake8`,
 `isort` and `black`. This can be done by running `pip install --upgrade black`,
 `pip install --upgrade flake8`, and `pip install --upgrade isort`.
 
+Note that if you are using Windows Subsystem for Linux (WSL), make sure you 
+clone the repo with Linux style LF line endings before running the format
+or lint scripts. This is automatically done if you clone using git inside WSL.
+If there is conflict due to the line endings you might see an error
+like - `: invalid option`
+
 ## Community Guidelines
 
 This project follows [Google's Open Source Community Guidelines](https://opensource.google/conduct/).