feat: Created using Colaboratory (#71)

* feat: Created using Colaboratory

* docs: Update and add links

Add links to Colab Notebook

README.md

@@ -1,11 +1,14 @@
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+[![Python Package](https://github.com/Anselmoo/TanabeSugano/actions/workflows/python-package.yml/badge.svg)](https://github.com/Anselmoo/TanabeSugano/actions/workflows/python-package.yml)
+[![Poetry](https://img.shields.io/endpoint?url=https://python-poetry.org/badge/v0.json)](https://python-poetry.org/)
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+[![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/Anselmoo/TanabeSugano/blob/feature%2Fcolab/Tanabe_Sugano.ipynb)
+
 
 # TanabeSugano
 A python-based Eigensolver for Tanabe-Sugano- & Energy-Correlation-Diagrams based on the original three proposed studies of *Yukito Tanabe and Satoru Sugano* for d<sup>2</sup>-d<sup>8</sup> transition metal ions:
@@ -88,3 +91,7 @@ The options for the **TanabeSugano**-application are:
 **Reference-Example** for d<sup>6</sup> for *F<sup>2</sup> = 1065 cm<sup>-</sup>* and *F<sup>4</sup> = 5120 cm<sup>-</sup>* as interactive `plotly`-plot:
 
 ![placeholder](https://github.com/Anselmoo/TanabeSugano/blob/master/examples/d6_ts_interactive.gif?raw=true)
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+## Test the TS-diagrams interactively in Google Colab
+
+[![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/Anselmoo/TanabeSugano/blob/feature%2Fcolab/Tanabe_Sugano.ipynb)