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

Norwik/Campfire is built on the following main stack:

• PostgreSQL – Databases
• JavaScript – Languages
• Elixir – Languages
• Heroku Postgres – PostgreSQL as a Service
• Shell – Shells
• GitHub Actions – Continuous Integration
• LangChain – Large Language Model Tools
• Docker – Virtual Machine Platforms & Containers

Full tech stack here

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

Get the code:

## Tech Stack
Norwik/Campfire is built on the following main stack:

- [PostgreSQL](http://www.postgresql.org/) – Databases
- [JavaScript](https://developer.mozilla.org/en-US/docs/Web/JavaScript) – Languages
- [Elixir](http://elixir-lang.org/) – Languages
- [Heroku Postgres](https://www.heroku.com/postgres) – PostgreSQL as a Service
- [Shell](https://en.wikipedia.org/wiki/Shell_script) – Shells
- [GitHub Actions](https://github.com/features/actions) – Continuous Integration
- [LangChain](https://github.com/hwchase17/langchain) – Large Language Model Tools
- [Docker](https://www.docker.com/) – Virtual Machine Platforms & Containers

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

---

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

Tech Stack

Norwik/Campfire is built on the following main stack:

• PostgreSQL – Databases
• JavaScript – Languages
• Elixir – Languages
• Heroku Postgres – PostgreSQL as a Service
• Shell – Shells
• GitHub Actions – Continuous Integration
• LangChain – Large Language Model Tools
• Docker – Virtual Machine Platforms & Containers

Full tech stack here

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

Get the code:

## Tech Stack
Norwik/Campfire is built on the following main stack:

- <img width='25' height='25' src='https://img.stackshare.io/service/1028/ASOhU5xJ.png' alt='PostgreSQL'/> [PostgreSQL](http://www.postgresql.org/) – Databases
- <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/1974/drop.png' alt='Elixir'/> [Elixir](http://elixir-lang.org/) – Languages
- <img width='25' height='25' src='https://img.stackshare.io/service/2516/original.png' alt='Heroku Postgres'/> [Heroku Postgres](https://www.heroku.com/postgres) – PostgreSQL as a Service
- <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
- <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/586/n4u37v9t_400x400.png' alt='Docker'/> [Docker](https://www.docker.com/) – Virtual Machine Platforms & Containers

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