For part 1 - I used this https://stackoverflow.com/questions/13403069/how-to-find-out-which-files-take-up-the-most-space-in-git-repo/32506324#32506324 https://s

For part 1 - I used this https://stackoverflow.com/questions/13403069/how-to-find-out-which-files-take-up-the-most-space-in-git-repo/32506324#32506324 https://stackoverflow.com/questions/13403069/how-to-find-out... Which for part 2 then leads to the BFG repo cleaner (which I haven't used)