Create tech stack docs (techstack.yml and techstack.md)

[stack-file]

Adding tech stack documentation to allow anyone to easily see what is being used in this repo without digging through config files. Two files are being added: techstack.yml and techstack.md. techstack.yml contains data on all the technologies being used in this repo. techstack.md is a visualization of the YML file and displays the tech stack data in a pretty Markdown file.

💡 Protip: techstack.md contains a comment at the top of the file that the following README snippet (with and without the logos) at the top of the file as a comment:

<--- Readme.md Snippet without images Start --->

Tech Stack

martin-creator/cd0037-API-Development-and-Documentation-exercises is built on the following main stack:

• Python – Languages
• React – Javascript UI Libraries
• jQuery – Javascript UI Libraries
• JavaScript – Languages
• SQLAlchemy – Object Relational Mapper (ORM)
• SQL – Languages
• Jinja – Templating Languages & Extensions
• React Router – JavaScript Framework Components
• Jupyter – Data Science Notebooks
• Shell – Shells
• GitHub Actions – Continuous Integration

Full tech stack here

<--- Readme.md Snippet without images End --->

Get the code:

## Tech Stack
martin-creator/cd0037-API-Development-and-Documentation-exercises is built on the following main stack:

- [Python](https://www.python.org) – Languages
- [React](https://reactjs.org/) – Javascript UI Libraries
- [jQuery](http://jquery.com/) – Javascript UI Libraries
- [JavaScript](https://developer.mozilla.org/en-US/docs/Web/JavaScript) – Languages
- [SQLAlchemy](http://www.sqlalchemy.org/) – Object Relational Mapper (ORM)
- [SQL](https://en.wikipedia.org/wiki/SQL) – Languages
- [Jinja](https://palletsprojects.com/p/jinja/) – Templating Languages & Extensions
- [React Router](https://github.com/rackt/react-router) – JavaScript Framework Components
- [Jupyter](http://jupyter.org) – Data Science Notebooks
- [Shell](https://en.wikipedia.org/wiki/Shell_script) – Shells
- [GitHub Actions](https://github.com/features/actions) – Continuous Integration

Full tech stack [here](/techstack.md)

---

<--- Readme.md Snippet with images Start --->

Tech Stack

martin-creator/cd0037-API-Development-and-Documentation-exercises is built on the following main stack:

• Python – Languages
• React – Javascript UI Libraries
• jQuery – Javascript UI Libraries
• JavaScript – Languages
• SQLAlchemy – Object Relational Mapper (ORM)
• SQL – Languages
• Jinja – Templating Languages & Extensions
• React Router – JavaScript Framework Components
• Jupyter – Data Science Notebooks
• Shell – Shells
• GitHub Actions – Continuous Integration

Full tech stack here

<--- Readme.md Snippet with images End --->

Get the code:

## Tech Stack
martin-creator/cd0037-API-Development-and-Documentation-exercises is built on the following main stack:

- <img width='25' height='25' src='https://img.stackshare.io/service/993/pUBY5pVj.png' alt='Python'/> [Python](https://www.python.org) – Languages
- <img width='25' height='25' src='https://img.stackshare.io/service/1020/OYIaJ1KK.png' alt='React'/> [React](https://reactjs.org/) – Javascript UI Libraries
- <img width='25' height='25' src='https://img.stackshare.io/service/1021/lxEKmMnB_400x400.jpg' alt='jQuery'/> [jQuery](http://jquery.com/) – Javascript UI Libraries
- <img width='25' height='25' src='https://img.stackshare.io/service/1209/javascript.jpeg' alt='JavaScript'/> [JavaScript](https://developer.mozilla.org/en-US/docs/Web/JavaScript) – Languages
- <img width='25' height='25' src='https://img.stackshare.io/service/1839/q5uAkmy7.png' alt='SQLAlchemy'/> [SQLAlchemy](http://www.sqlalchemy.org/) – Object Relational Mapper (ORM)
- <img width='25' height='25' src='https://img.stackshare.io/service/2271/default_068d33483bba6b81ee13fbd4dc7aab9780896a54.png' alt='SQL'/> [SQL](https://en.wikipedia.org/wiki/SQL) – Languages
- <img width='25' height='25' src='https://img.stackshare.io/service/2303/New_Project__20_.png' alt='Jinja'/> [Jinja](https://palletsprojects.com/p/jinja/) – Templating Languages & Extensions
- <img width='25' height='25' src='https://img.stackshare.io/service/3350/8261421.png' alt='React Router'/> [React Router](https://github.com/rackt/react-router) – JavaScript Framework Components
- <img width='25' height='25' src='https://img.stackshare.io/service/4190/fGBUdNf__400x400.jpg' alt='Jupyter'/> [Jupyter](http://jupyter.org) – Data Science Notebooks
- <img width='25' height='25' src='https://img.stackshare.io/service/4631/default_c2062d40130562bdc836c13dbca02d318205a962.png' alt='Shell'/> [Shell](https://en.wikipedia.org/wiki/Shell_script) – Shells
- <img width='25' height='25' src='https://img.stackshare.io/service/11563/actions.png' alt='GitHub Actions'/> [GitHub Actions](https://github.com/features/actions) – Continuous Integration

Full tech stack [here](/techstack.md)