support margin-inline-start, margin-inline-end, padding-inline-start, padding-inline-end

[forNoor]

for supporting ltr and rtl start and end margin, using margin-inline-start, margin-inline-end, padding-inline-start, padding-inline-end is needed. if we use for example ml-2 for ltr layout we must to change it to mr-2 in rtl layout (suppose a UI that user can change layout and language from arabic or persian to english) but if we have ms-2 (that means margin-inline-startl) both two layout is supported. in some library such as bootstrap this feature exists.

thanks.

[ismailfarooq]

+1 for this issue, Spacing utilities are not working properly in RTL, This change will help.

[MuhAssar]

up +1 please support RTL by using start/end instead of left/right wherever possible