Update demo notebook

[mahaalbashir]

In this PR:

• The demo notebook has been updated, and an example of acro_summarise() was added

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (3b4fd39) to head (cf04928).

Additional details and impacted files

@@            Coverage Diff            @@
##              main       #76   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            5         5           
  Lines          281       281           
=========================================
  Hits           281       281           

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[mahaalbashir]

Closing this as a duplicate of #72