Make codebase compatible with Python 3.7

docs/how-to-guides/install.md

@@ -5,7 +5,7 @@ Provided you already have [Python3](https://www.python.org/downloads/){ target=_
 ```sh
 pip install great-ai
 ```
-> Python 3.8 or later is required.
+> Python 3.7 or later is required.
 
 This will work on all major operating systems.
 

docs/index.md

@@ -41,6 +41,7 @@ Applying AI is becoming increasingly easier but many case studies have shown tha
 - [x] Docker support for deployment
 - [x] Deployable Jupyter Notebooks
 - [x] Dashboard for online monitoring and analysing traces
+- [x] Active support for Python 3.7, 3.8, 3.9, and 3.10
 
 ## Roadmap