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

[stack-file[bot]]

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

moonwalker/graphql-nats-subscriptions is built on the following main stack:

• JavaScript – Languages
• TypeScript – Languages
• Node.js – Frameworks (Full Stack)
• Yarn – Front End Package Manager
• rollup – JS Build Tools / JS Task Runners

Full tech stack here

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

Get the code:

## Tech Stack
moonwalker/graphql-nats-subscriptions is built on the following main stack:

- [JavaScript](https://developer.mozilla.org/en-US/docs/Web/JavaScript) – Languages
- [TypeScript](http://www.typescriptlang.org) – Languages
- [Node.js](http://nodejs.org/) – Frameworks (Full Stack)
- [Yarn](https://yarnpkg.com/) – Front End Package Manager
- [rollup](http://rollupjs.org/) – JS Build Tools / JS Task Runners

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

---

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

Tech Stack

moonwalker/graphql-nats-subscriptions is built on the following main stack:

• JavaScript – Languages
• TypeScript – Languages
• Node.js – Frameworks (Full Stack)
• Yarn – Front End Package Manager
• rollup – JS Build Tools / JS Task Runners

Full tech stack here

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

Get the code:

## Tech Stack
moonwalker/graphql-nats-subscriptions is built on the following main stack:

- <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/1612/bynNY5dJ.jpg' alt='TypeScript'/> [TypeScript](http://www.typescriptlang.org) – Languages
- <img width='25' height='25' src='https://img.stackshare.io/service/1011/n1JRsFeB_400x400.png' alt='Node.js'/> [Node.js](http://nodejs.org/) – Frameworks (Full Stack)
- <img width='25' height='25' src='https://img.stackshare.io/service/5848/44mC-kJ3.jpg' alt='Yarn'/> [Yarn](https://yarnpkg.com/) – Front End Package Manager
- <img width='25' height='25' src='https://img.stackshare.io/service/4423/zE8RTn9E_400x400.jpg' alt='rollup'/> [rollup](http://rollupjs.org/) – JS Build Tools / JS Task Runners

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