Please add shorter base 1000 suffixes

[eugenesvk]

I'd like to have 1-symbol short versions of the suffixes for base 1000 just like the ones for base 1024 that already exist in the cs format:

'' ' kb' ' mb' ' gb' ' tb' ' pb' ' eb' ' zb' ' yb' (current abbreviations)
''  'k'   'm'   'g'   't'   'p'   'e'   'z'   'y'  (proposed)

I've created a PR #4 with this changes by introducing a new css format that gets rid of the extra space/b symbols.
Hopefully you'll find this change useful

[stevenxxiu]

Hmm I'm not sure of this one, as in https://en.wikipedia.org/wiki/Binary_prefix it says M is $10^6$, so it might be confusing?

[eugenesvk]

@stevenxxiu

1. wiki says that M is both 10⁶ (SI) and 2²⁰ (JEDEC), so confusion is inevitable and has been there since forever
   Moreover, if you want strict SI compliance, you can't actually get it, because this module has MB instead of M in the si format module and wrong casing for the k in the casing_short

2. if you can't differentiate between M and m there is a trivial solution — don't use this format! I just don't understand why there is no short format for base1000