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improves the formatting of contributors in the project by using a
hashset
to ensure contributors are only listed once. this is done by introducing a newunify_contributors
function, which takes a list of contributors as astring
and returns the samestring
with only unique contributors.this commit updates the
format_contributors_to_md
function to callunify_contributors
and passes in the list of contributors, which is formatted with theformat_items_to_md
function. theunify_contributors
function uses ahashset
to store and remove duplicate contributors. thehashset
is then iterated over and the unique values are added to avec
which is then joined with a new line character to form astring
of unique contributors.