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

huhuhuHR/java-design-patterns is built on the following main stack:

• Java – Languages
• Spring Framework – Frameworks (Full Stack)
• H2 Database – Databases
• Hibernate – Object Relational Mapper (ORM)
• MongoDB – Databases
• Spring Data – Database Tools
• migra – Database Tools
• Docker – Virtual Machine Platforms & Containers
• Docker Compose – Container Tools
• GitHub Actions – Continuous Integration
• JUnit – Testing Frameworks
• Logback – Log Management
• Mockito – Testing Frameworks
• SLF4J – Log Management
• Apache Camel – Platform as a Service
• iDoneThis – Team Task Management

Full tech stack here

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

Get the code:

## Tech Stack
huhuhuHR/java-design-patterns is built on the following main stack:

- [Java](https://www.java.com) – Languages
- [Spring Framework](https://spring.io/projects/spring-framework) – Frameworks (Full Stack)
- [H2 Database](http://www.h2database.com/) – Databases
- [Hibernate](http://hibernate.org/) – Object Relational Mapper (ORM)
- [MongoDB](http://www.mongodb.com/) – Databases
- [Spring Data](https://spring.io/projects/spring-data) – Database Tools
- [migra](https://migra.djrobstep.com/) – Database Tools
- [Docker](https://www.docker.com/) – Virtual Machine Platforms & Containers
- [Docker Compose](https://github.com/docker/compose) – Container Tools
- [GitHub Actions](https://github.com/features/actions) – Continuous Integration
- [JUnit](http://junit.org/) – Testing Frameworks
- [Logback](https://logback.qos.ch/) – Log Management
- [Mockito](https://site.mockito.org/) – Testing Frameworks
- [SLF4J](http://slf4j.org/) – Log Management
- [Apache Camel](https://camel.apache.org/) – Platform as a Service
- [iDoneThis](https://idonethis.com/) – Team Task Management

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

---

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

Tech Stack

huhuhuHR/java-design-patterns is built on the following main stack:

• Java – Languages
• Spring Framework – Frameworks (Full Stack)
• H2 Database – Databases
• Hibernate – Object Relational Mapper (ORM)
• MongoDB – Databases
• Spring Data – Database Tools
• migra – Database Tools
• Docker – Virtual Machine Platforms & Containers
• Docker Compose – Container Tools
• GitHub Actions – Continuous Integration
• JUnit – Testing Frameworks
• Logback – Log Management
• Mockito – Testing Frameworks
• SLF4J – Log Management
• Apache Camel – Platform as a Service
• iDoneThis – Team Task Management

Full tech stack here

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

Get the code:

## Tech Stack
huhuhuHR/java-design-patterns is built on the following main stack:

- <img width='25' height='25' src='https://img.stackshare.io/service/995/K85ZWV2F.png' alt='Java'/> [Java](https://www.java.com) – Languages
- <img width='25' height='25' src='https://img.stackshare.io/service/2006/spring-framework-project-logo.png' alt='Spring Framework'/> [Spring Framework](https://spring.io/projects/spring-framework) – Frameworks (Full Stack)
- <img width='25' height='25' src='https://img.stackshare.io/service/3105/h2-logo_square_400x400.png' alt='H2 Database'/> [H2 Database](http://www.h2database.com/) – Databases
- <img width='25' height='25' src='https://img.stackshare.io/service/1756/1uNl_IZX.png' alt='Hibernate'/> [Hibernate](http://hibernate.org/) – Object Relational Mapper (ORM)
- <img width='25' height='25' src='https://img.stackshare.io/service/1030/leaf-360x360.png' alt='MongoDB'/> [MongoDB](http://www.mongodb.com/) – Databases
- <img width='25' height='25' src='https://img.stackshare.io/service/7624/IG6D4Ro2_400x400.png' alt='Spring Data'/> [Spring Data](https://spring.io/projects/spring-data) – Database Tools
- <img width='25' height='25' src='https://img.stackshare.io/no-img-open-source.png' alt='migra'/> [migra](https://migra.djrobstep.com/) – Database 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
- <img width='25' height='25' src='https://img.stackshare.io/service/3136/docker-compose.png' alt='Docker Compose'/> [Docker Compose](https://github.com/docker/compose) – 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/2020/874086.png' alt='JUnit'/> [JUnit](http://junit.org/) – Testing Frameworks
- <img width='25' height='25' src='https://img.stackshare.io/service/2923/05518ecaa42841e834421e9d6987b04f_400x400.png' alt='Logback'/> [Logback](https://logback.qos.ch/) – Log Management
- <img width='25' height='25' src='https://img.stackshare.io/service/2021/4y634TJm_400x400.jpg' alt='Mockito'/> [Mockito](https://site.mockito.org/) – Testing Frameworks
- <img width='25' height='25' src='https://img.stackshare.io/service/2805/05518ecaa42841e834421e9d6987b04f_400x400.png' alt='SLF4J'/> [SLF4J](http://slf4j.org/) – Log Management
- <img width='25' height='25' src='https://img.stackshare.io/service/3276/xWt1RFo6_400x400.jpg' alt='Apache Camel'/> [Apache Camel](https://camel.apache.org/) – Platform as a Service
- <img width='25' height='25' src='https://img.stackshare.io/service/338/default_f863a3d7f927a74d6ae21e8e152265bd07ca6cfe.png' alt='iDoneThis'/> [iDoneThis](https://idonethis.com/) – Team Task Management

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