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

mallowigi/mtslack is built on the following main stack:

• gulp – JS Build Tools / JS Task Runners
• Sass – CSS Pre-processors / Extensions
• JavaScript – Languages
• Lodash – Javascript Utilities & Libraries
• ESLint – Code Review
• Stylelint – Code Review
• Prettier – Code Review
• LangChain – Large Language Model Tools
• pgvector – Database Tools

Full tech stack here

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

Get the code:

## Tech Stack
mallowigi/mtslack is built on the following main stack:

- [gulp](http://gulpjs.com/) – JS Build Tools / JS Task Runners
- [Sass](http://sass-lang.com/) – CSS Pre-processors / Extensions
- [JavaScript](https://developer.mozilla.org/en-US/docs/Web/JavaScript) – Languages
- [Lodash](https://lodash.com) – Javascript Utilities & Libraries
- [ESLint](http://eslint.org/) – Code Review
- [Stylelint](http://stylelint.io/) – Code Review
- [Prettier](https://prettier.io/) – Code Review
- [LangChain](https://github.com/hwchase17/langchain) – Large Language Model Tools
- [pgvector](https://github.com/pgvector/pgvector/) – Database Tools

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

---

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

Tech Stack

mallowigi/mtslack is built on the following main stack:

• gulp – JS Build Tools / JS Task Runners
• Sass – CSS Pre-processors / Extensions
• JavaScript – Languages
• Lodash – Javascript Utilities & Libraries
• ESLint – Code Review
• Stylelint – Code Review
• Prettier – Code Review
• LangChain – Large Language Model Tools
• pgvector – Database Tools

Full tech stack here

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

Get the code:

## Tech Stack
mallowigi/mtslack is built on the following main stack:

- <img width='25' height='25' src='https://img.stackshare.io/service/844/iruTC031.png' alt='gulp'/> [gulp](http://gulpjs.com/) – JS Build Tools / JS Task Runners
- <img width='25' height='25' src='https://img.stackshare.io/service/1171/jCR2zNJV.png' alt='Sass'/> [Sass](http://sass-lang.com/) – CSS Pre-processors / Extensions
- <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/2438/lodash.png' alt='Lodash'/> [Lodash](https://lodash.com) – Javascript Utilities & Libraries
- <img width='25' height='25' src='https://img.stackshare.io/service/3337/Q4L7Jncy.jpg' alt='ESLint'/> [ESLint](http://eslint.org/) – Code Review
- <img width='25' height='25' src='https://img.stackshare.io/service/5446/V9JsvPul_400x400.jpg' alt='Stylelint'/> [Stylelint](http://stylelint.io/) – Code Review
- <img width='25' height='25' src='https://img.stackshare.io/service/7035/default_66f265943abed56bcdbfca1c866a4261b1fbb063.jpg' alt='Prettier'/> [Prettier](https://prettier.io/) – Code Review
- <img width='25' height='25' src='https://img.stackshare.io/service/48790/default_5b6c6b73f1ff3775c85d2a1ba954cb87e30cbf13.jpg' alt='LangChain'/> [LangChain](https://github.com/hwchase17/langchain) – Large Language Model Tools
- <img width='25' height='25' src='https://img.stackshare.io/service/109221/default_b888cdf5617d936aa6aacf130911906955508639.png' alt='pgvector'/> [pgvector](https://github.com/pgvector/pgvector/) – Database Tools

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