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

[stack-file-uat]

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

frequency121/OpenGFW is built on the following main stack:

• Golang – Languages
• Protobuf – Serialization Frameworks
• Quickwork – Workflow Manager
• Earthly – Container Tools
• GitHub Actions – Continuous Integration
• JBehave – Testing Frameworks
• OpenYurt – Container Tools
• Testify – Go Testing
• ZyXel – Networking Hardware
• Appzi – Feedback Widget
• Content Discovery Feed – Knowledge Management
• DAGsHub – Data Science Tools
• EmailOctopus – Email Marketing
• FinCRM – CRM
• Modyo Customer Portals – Customer Profiles
• sktime – Machine Learning Tools

Full tech stack here

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

Get the code:

## Tech Stack
frequency121/OpenGFW is built on the following main stack:

- [Golang](http://golang.org/) – Languages
- [Protobuf](https://developers.google.com/protocol-buffers/) – Serialization Frameworks
- [Quickwork](https://quickwork.co/) – Workflow Manager
- [Earthly](https://www.earthly.dev/) – Container Tools
- [GitHub Actions](https://github.com/features/actions) – Continuous Integration
- [JBehave](https://jbehave.org/) – Testing Frameworks
- [OpenYurt](https://openyurt.io/en-us/) – Container Tools
- [Testify](https://github.com/stretchr/testify) – Go Testing
- [ZyXel](https://www.zyxel.com/us/en/) – Networking Hardware
- [Appzi](https://www.appzi.com/) – Feedback Widget
- [Content Discovery Feed](https://storychief.io/content-discovery) – Knowledge Management
- [DAGsHub](https://dagshub.com) – Data Science Tools
- [EmailOctopus](https://emailoctopus.com/) – Email Marketing
- [FinCRM](http://www.fincrm.net) – CRM
- [Modyo Customer Portals](https://www.modyo.com/solution/customer-portals) – Customer Profiles
- [sktime](https://www.sktime.org/en/latest/) – Machine Learning Tools

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

---

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

Tech Stack

frequency121/OpenGFW is built on the following main stack:

• Golang – Languages
• Protobuf – Serialization Frameworks
• Quickwork – Workflow Manager
• Earthly – Container Tools
• GitHub Actions – Continuous Integration
• JBehave – Testing Frameworks
• OpenYurt – Container Tools
• Testify – Go Testing
• ZyXel – Networking Hardware
• Appzi – Feedback Widget
• Content Discovery Feed – Knowledge Management
• DAGsHub – Data Science Tools
• EmailOctopus – Email Marketing
• FinCRM – CRM
• Modyo Customer Portals – Customer Profiles
• sktime – Machine Learning Tools

Full tech stack here

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

Get the code:

## Tech Stack
frequency121/OpenGFW is built on the following main stack:

- <img width='25' height='25' src='https://img.stackshare.io/service/1005/O6AczwfV_400x400.png' alt='Golang'/> [Golang](http://golang.org/) – Languages
- <img width='25' height='25' src='https://img.stackshare.io/service/4393/ma2jqJKH_400x400.png' alt='Protobuf'/> [Protobuf](https://developers.google.com/protocol-buffers/) – Serialization Frameworks
- <img width='25' height='25' src='https://img.stackshare.io/service/21122/default_1f970871c388438e737793ed23ce9b5099a178cf.jpg' alt='Quickwork'/> [Quickwork](https://quickwork.co/) – Workflow Manager
- <img width='25' height='25' src='https://img.stackshare.io/service/21148/default_4518d3c5a1f763ea9eb5a5959847ac06b2b3cbe5.jpg' alt='Earthly'/> [Earthly](https://www.earthly.dev/) – Container Tools
- <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/21152/default_be7d0621c1cb8392534d70dac8830cce7a486fd0.png' alt='JBehave'/> [JBehave](https://jbehave.org/) – Testing Frameworks
- <img width='25' height='25' src='https://img.stackshare.io/service/21147/default_f869ec037993bd2c3967e7b605ca929be6bbf362.png' alt='OpenYurt'/> [OpenYurt](https://openyurt.io/en-us/) – Container Tools
- <img width='25' height='25' src='https://img.stackshare.io/service/8695/stretchr.png' alt='Testify'/> [Testify](https://github.com/stretchr/testify) – Go Testing
- <img width='25' height='25' src='https://img.stackshare.io/service/21126/default_82855a9a63ac94e02248a391b260a94acbafb41a.png' alt='ZyXel'/> [ZyXel](https://www.zyxel.com/us/en/) – Networking Hardware
- <img width='25' height='25' src='https://img.stackshare.io/service/21120/default_ff503018433e4c15bd8f88f38f956808d71ae76e.jpg' alt='Appzi'/> [Appzi](https://www.appzi.com/) – Feedback Widget
- <img width='25' height='25' src='https://img.stackshare.io/service/21138/default_1333cc334a57817c9ab69aeb76cfdcafe582056a.jpg' alt='Content Discovery Feed'/> [Content Discovery Feed](https://storychief.io/content-discovery) – Knowledge Management
- <img width='25' height='25' src='https://img.stackshare.io/service/21300/default_a169b2bfb5d5868361ec02044e5a39e1896c433d.png' alt='DAGsHub'/> [DAGsHub](https://dagshub.com) – Data Science Tools
- <img width='25' height='25' src='https://img.stackshare.io/service/21207/default_4e5599aba925e3b3a2109b439679659542786fed.jpg' alt='EmailOctopus'/> [EmailOctopus](https://emailoctopus.com/) – Email Marketing
- <img width='25' height='25' src='https://img.stackshare.io/service/21129/default_a6389ef2c20db890998e2b9b194d515eb3e79443.jpg' alt='FinCRM'/> [FinCRM](http://www.fincrm.net) – CRM
- <img width='25' height='25' src='https://img.stackshare.io/service/21315/default_499399dc690af0e91d379644dec00880e20c6f5a.png' alt='Modyo Customer Portals'/> [Modyo Customer Portals](https://www.modyo.com/solution/customer-portals) – Customer Profiles
- <img width='25' height='25' src='https://img.stackshare.io/service/21145/default_e666d7c3f53fbe0134f58c3072ae6af7c46cf562.jpg' alt='sktime'/> [sktime](https://www.sktime.org/en/latest/) – Machine Learning Tools

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