🍱 MQT Branding (#257)

## Description

This PR adjusts the repository with the latest MQT branding changes.

## Checklist:

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- [x] The pull request only contains commits that are related to it.
- [x] I have added appropriate tests and documentation.
- [x] I have made sure that all CI jobs on GitHub pass.
- [x] The pull request introduces no new warnings and follows the
project's style guidelines.

README.md

@@ -2,15 +2,17 @@
 [![CI](https://img.shields.io/github/actions/workflow/status/cda-tum/ddvis/ci.yml?branch=main&style=flat-square&logo=github&label=c%2B%2B)](https://github.com/cda-tum/ddvis/actions/workflows/ci.yml)
 
 <p align="center">
- <picture>
-   <source media="(prefers-color-scheme: dark)" srcset="https://raw.githubusercontent.com/cda-tum/mqt-core/main/docs/_static/mqt_light.png" width="60%">
-   <img src="https://raw.githubusercontent.com/cda-tum/mqt-core/main/docs/_static/mqt_dark.png" width="60%">
- </picture>
+  <a href="https://mqt.readthedocs.io">
+   <picture>
+     <source media="(prefers-color-scheme: dark)" srcset="https://raw.githubusercontent.com/cda-tum/mqt/main/docs/_static/mqt_light.png" width="60%">
+     <img src="https://raw.githubusercontent.com/cda-tum/mqt/main/docs/_static/mqt_dark.png" width="60%">
+   </picture>
+  </a>
 </p>
 
 # MQT DDVis
 
-An installation-free web-tool that visualizes quantum decision diagrams and allows to explore their behavior when used in design tasks such as simulation, synthesis, or verification developed as part of the [_Munich Quantum Toolkit_](https://mqt.readthedocs.io) (_MQT_) by the [Chair for Design Automation](https://www.cda.cit.tum.de/) at the [Technical University of Munich](https://www.tum.de/).
+An installation-free web-tool that visualizes quantum decision diagrams and allows to explore their behavior when used in design tasks such as simulation, synthesis, or verification developed as part of the [_Munich Quantum Toolkit (MQT)_](https://mqt.readthedocs.io) by the [Chair for Design Automation](https://www.cda.cit.tum.de/) at the [Technical University of Munich](https://www.tum.de/).
 It builds upon [MQT Core](https://github.com/cda-tum/mqt-core), which forms the backbone of the MQT.
 
 The tool is hosted online at [https://www.cda.cit.tum.de/app/ddvis/](https://www.cda.cit.tum.de/app/ddvis/).
@@ -65,17 +67,17 @@ Munich Quantum Valley, which is supported by the Bavarian state government with
 
 <p align="center">
 <picture>
-<source media="(prefers-color-scheme: dark)" srcset="https://raw.githubusercontent.com/cda-tum/mqt-core/main/docs/_static/tum_dark.svg" width="28%">
-<img src="https://raw.githubusercontent.com/cda-tum/mqt-core/main/docs/_static/tum_light.svg" width="28%">
+<source media="(prefers-color-scheme: dark)" srcset="https://raw.githubusercontent.com/cda-tum/mqt/main/docs/_static/tum_dark.svg" width="28%">
+<img src="https://raw.githubusercontent.com/cda-tum/mqt/main/docs/_static/tum_light.svg" width="28%">
 </picture>
 <picture>
-<img src="https://raw.githubusercontent.com/cda-tum/mqt-core/main/docs/_static/logo-bavaria.svg" width="16%">
+<img src="https://raw.githubusercontent.com/cda-tum/mqt/main/docs/_static/logo-bavaria.svg" width="16%">
 </picture>
 <picture>
-<source media="(prefers-color-scheme: dark)" srcset="https://raw.githubusercontent.com/cda-tum/mqt-core/main/docs/_static/erc_dark.svg" width="24%">
-<img src="https://raw.githubusercontent.com/cda-tum/mqt-core/main/docs/_static/erc_light.svg" width="24%">
+<source media="(prefers-color-scheme: dark)" srcset="https://raw.githubusercontent.com/cda-tum/mqt/main/docs/_static/erc_dark.svg" width="24%">
+<img src="https://raw.githubusercontent.com/cda-tum/mqt/main/docs/_static/erc_light.svg" width="24%">
 </picture>
 <picture>
-<img src="https://raw.githubusercontent.com/cda-tum/mqt-core/main/docs/_static/logo-mqv.svg" width="28%">
+<img src="https://raw.githubusercontent.com/cda-tum/mqt/main/docs/_static/logo-mqv.svg" width="28%">
 </picture>
 </p>