:memo: Add docs for space-around-operator rule
:memo: Add docs for space-around-operator rule

sktt/sass-lint,srowhani/sass-lint,sasstools/sass-lint,donabrams/sass-lint,bgriffith/sass-lint,srowhani/sass-lint,ngryman/sass-lint,Dru89/sass-lint,benthemonkey/sass-lint,flacerdk/sass-lint,DanPurdy/sass-lint,sasstools/sass-lint