Add tensorflow version to README

README.md

@@ -14,6 +14,7 @@
     - seaborn (version 0.11)
     - plotly (version 5.4)
     - nltk (version 3.6)
+    - tensorflow (version 2.7.0)
 - All python packages are installed into a virtual environment at `~/.ml-venv`. This also includes jupyter-lab which allows for using the default python3 kernel and still having access to all dependencies
 
 ### The project is structured as follows: