Add CI workflow to compute diff between files dist files

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📊 Dist packagesFiles size difference

Thanks for the PR! Here is the difference in size of the dist packagesFiles between the base and the PR.
Please review the changes and make sure they are expected.

File	Before (Size / Gzip)	After (Size / Gzip)
Autocomplete
foo.js	Added	7.44 kB / 2.3 kB
Dropzone
controller.js	3.12 kB / 816 B	10.58 kB+239% 📈 / 3.1 kB+289% 📈
Map
abstract_map_controller.js	1.88 kB / 610 B	Removed
Map (Bridge Google)
foo.css	Added	43 B / 71 B
map_controller.js	7.07 kB / 1.67 kB	5.56 kB-21% 📉 / 1.46 kB-13% 📉
Translator
translator_controller.js	9.17 kB / 2.27 kB	8.59 kB-6% 📉 / 2.18 kB-4% 📉