Display inserted, deleted and modified changes as a table

Create a histogram from the output of the `diff` command.
More information: <https://manned.org/diffstat>.
Trick copyright: tl;dr; <https://github.com/tldr-pages/tldr>

diff {{file1}} {{file2}} | diffstat -t

click the source code to copy install diffstat on any operating system with command-not-found.com