Format README.md for improved clarity

Author: bprobert97

README.md

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 Scripts in this repository generate images of the night sky as seen in Glasgow, UK using the [Starplot](https://starplot.dev/) library.
 
-![A Screenshot from the Web App](images/website_screenshot.png "A Screenshot from the Web App")
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 # Examples
 Below are some examples of the two types of plots you can create.
 
@@ -85,3 +83,4 @@ To run the streamlist web app, in your terminal run:
 
 This will then spin up a local instance of the web app.
 
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