Split up getting started to simplified version and deep dive

[jfy133]

• [x] fix #94
• [x] description of feature/fix
• [ ] tests added/passed
• [x] add an entry to the changelog

[codecov-commenter]

Codecov Report

Patch and project coverage have no change.

Comparison is base (c222866) 81.64% compared to head (50fec9b) 81.64%.

:exclamation: Current head 50fec9b differs from pull request most recent head 03ba5ab. Consider uploading reports for the commit 03ba5ab to get more accurate results

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## dev #95 +/- ## ======================================= Coverage 81.64% 81.64% ======================================= Files 103 103 Lines 1585 1585 Branches 274 274 ======================================= Hits 1294 1294 Misses 250 250 Partials 41 41 ``` Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None)

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