Update README with latest ABOUT.md, INSTALL.md, CONTRIBUTING.md and badges

Author: github-actions[bot]

README.md

@@ -13,15 +13,16 @@ For instructions on how to customize this README.template.md and use the central
 please see the user guide: https://github.com/orgs/control-toolbox/discussions/67
 -->
 
-CTAppTemplate.jl is part of the [control-toolbox ecosystem](https://github.com/control-toolbox).
+The CTAppTemplate.jl repo is part of the [control-toolbox ecosystem](https://github.com/control-toolbox).
 
 | **Category** | **Badge** |
 |-----------------------|-----------|
 | **Documentation** | [![Stable Docs](https://img.shields.io/badge/docs-stable-blue.svg)](https://control-toolbox.org/CTAppTemplate.jl/stable/) [![Dev Docs](https://img.shields.io/badge/docs-dev-8A2BE2.svg)](https://control-toolbox.org/CTAppTemplate.jl/dev/) |
 | **CI / Build** | [![Build Status](https://github.com/control-toolbox/CTAppTemplate.jl/actions/workflows/CI.yml/badge.svg?branch=main)](https://github.com/control-toolbox/CTAppTemplate.jl/actions/workflows/CI.yml?query=branch%3Amain) |
 | **Test Coverage** | [![Coverage](https://codecov.io/gh/control-toolbox/CTAppTemplate.jl/branch/main/graph/badge.svg)](https://codecov.io/gh/control-toolbox/CTAppTemplate.jl) |
-| **Code Style / Quality** | [![Code Style: Blue](https://img.shields.io/badge/code%20style-blue-4495d1.svg)](https://github.com/JuliaDiff/BlueStyle) [![Aqua.jl](https://raw.githubusercontent.com/JuliaTesting/Aqua.jl/master/badge.svg)](https://github.com/JuliaTesting/Aqua.jl) |
+| **Release / Version** | [![Release](https://juliahub.com/docs/General/CTAppTemplate/stable/version.svg)](https://github.com/control-toolbox/CTAppTemplate.jl/releases) |
 | **License** | [![License](https://img.shields.io/badge/License-MIT-yellow.svg)](https://github.com/control-toolbox/CTAppTemplate.jl/blob/master/LICENSE) |
+| **Code Style / Quality** | [![Code Style: Blue](https://img.shields.io/badge/code%20style-blue-4495d1.svg)](https://github.com/JuliaDiff/BlueStyle) [![Aqua.jl](https://raw.githubusercontent.com/JuliaTesting/Aqua.jl/master/badge.svg)](https://github.com/JuliaTesting/Aqua.jl) |
 
 ## About control-toolbox
 
@@ -54,10 +55,7 @@ The **control-toolbox** ecosystem brings together <a href="https://julialang.org
 If you think you found a bug or if you have a feature request / suggestion, feel free to open an [issue][issue-url].  
 Before opening a pull request, please start an issue or a discussion on the topic. 
 
-Contributions are welcomed, check out [how to contribute to a Github project](https://docs.github.com/en/get-started/exploring-projects-on-github/contributing-to-a-project).  
-If it is your first contribution, you can also check [this first contribution tutorial](https://github.com/firstcontributions/first-contributions).  
-You can find first good issues (if any 🙂) [here][first-good-issue-url].  
-You may find other packages to contribute to at the [control-toolbox organization](https://github.com/control-toolbox).
+Contributions are welcomed, check out [how to contribute to a Github project](https://docs.github.com/en/get-started/exploring-projects-on-github/contributing-to-a-project). If it is your first contribution, you can also check [this first contribution tutorial](https://github.com/firstcontributions/first-contributions). You can find first good issues (if any 🙂) [here][first-good-issue-url]. You may find other packages to contribute to at the [control-toolbox organization](https://github.com/control-toolbox).
 
 If you want to ask a question, feel free to start a discussion [here](https://github.com/orgs/control-toolbox/discussions). This forum is for general discussion about this repository and the [control-toolbox organization](https://github.com/control-toolbox).