Write ingest and update functionality with tests

Summary

Implement ingest and update functionality with unit tests and pylint conformance to meet our coding quality standards.

Closes #35 and #36

Git commit history

• These are the git commit messages rebased into this changeset and are noisy

Add unit tests, pass pylint

Fix requirements.txt to be accurate

Update gitignore

Commit PyCharm files not in .gitignore

Update requirements.txt to only include project deps

Commit partially broken test code 🤷

git repository traversal, better code organization

.idea directory updates for pycharm

Add ingestion of markdown files from git endpoints

Add update functionality

Fix mocks in test_ingest_route_returns_ok

Add unit tests to finish coverage for class GitlabWebhook and bottle endpoint functions

Finish unit test coverage to >80% for gitlab_webhook.py

Refactor file names to conform to convention