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Adjust plugins and packages .gitignore to be most useful (#88991)

* Update .gitignore.tmpl

* Add pubspec.lock

* Exclude example/pubspec.lock

* Address feedback
P
Pierre-Louis committed
1298a9fd5416a50c009bca594a8bfb12300bee99
Parent: 3bf1bde
Committed by GitHub <noreply@github.com> on 9/3/2021, 6:22:35 PM