Added option for whitespaces around combinators

[kizu]

No description provided.

[mishanga]

copypaste ;)
colon-space => combinator-space

[kizu]

Oh. Fixed.

[mishanga]

I think it's really dangerous (in addition, it's useless) to use line-breaks around combinators. See the example below.
Let's change String value pattern to /[ \t]+/?

Config:

{
    "block-indent": true,
    "combinator-space": [" ", "\n"],
    "rule-indent": true
}

Origin:

@media all and (min-width:0){a+b{color:red}}

Result:

@media all and (min-width:0){
    a +
b{
        color:red
    }
}

Expected:

@media all and (min-width:0){
    a +
    b{
        color:red
    }
}

[kizu]

@mishanga This is the same issue as #70 — maybe we should interpret the \n in such places as “newline with the current indent”? And it would be nice to interpret \t as “the size of ident”? I guess it would be logical. Should I open a new issue on this, or we could discuss it there?

[mishanga]

OK, I'll fix the block-indent option.