fix: removed extra wheels from repository, mention which are needed in readme

examples/streamlit/README.md

@@ -2,8 +2,12 @@
 
 This is an example on how to deploy a streamlit app using `pynsist`. The example also includes the required packages to run plotly inside the app.
 
+The extra wheels of the packages `blinker` and `pyarrow` are required (can't be found on Pypi).
+
 [Here](https://stackoverflow.com/questions/69352179/package-streamlit-app-and-run-executable-on-windows/69621578#69621578) you can find additional information on why the `src/run_app.py` has the chosen structure.
 
 To properly run the app once installed, the environmental variable `WORKING_DIR` has to be set to the installation path on the Windows machine: `<installation-folder>/pkgs`.
 
-The browser tab with the app should open automatically after a brief delay.  
+The browser tab with the app should open automatically after a brief delay. This is done to avoid the tab opening while streamlit is still starting, so that this results in a `Cannot reach localhost:8501` error.
+
+