Fix pandoc dependencies for local doc build

[cchwala]

• closes Pandoc package requires explicit installation #30
• Tests added and passed if fixing a bug or adding a new feature
• All code checks from pre-commit passed
• Added an entry in the CHANGELOG.md file

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (61c4063) to head (6749cca).
Report is 4 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main       #31   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            3         3           
  Lines           43        62   +19     
=========================================
+ Hits            43        62   +19     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.