add git alias for pretty log printing

gistfile1.txt

# add an alias for the command
$ git config --global alias.logpretty 'log --pretty=format:"%ad %h: %s" --date=short'

# retrieve log history
$ git logpretty
2022-01-20 4d7ce7de: fix: perf bmrk chart dark mode annotation hover color
2022-01-20 15f6b240: fix: fund style name in perf bmrk list+chart
2022-01-20 5643fdf7: fix: change font weight to 300
2022-01-19 12444d96: fix: cleanup debug output
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