feat: "-S" flag customization improvements #1642
Description
- improve/add implementation of the following flags:
- --blocksize: list the allocated size of each file, in bytes
- --blocks: list the allocated size of each file, in blocks
- improve "eza_colors.5.md" -
bl:"a file’s number of blocks"-> "a file’s allocated size, in blocks" - improve
blcolor code applying (not applying in v0.23.4)