Ignore shared-line comments for some keywords
Ignore shared-line comments for some keywords

`at-rule-nested-empty-line-before`
except: ["blockless-after-same-name-blockless", "blockless-group"]
ignore: ["blockless-after-same-name-blockless"] (no "blockless-group")

`custom-property-empty-line-before`
except: ["after-custom-property"]

`dollar-variable-empty-line-before`
except: ["after-dollar-variable"]

`declaration-empty-line-before`
except: ["after-declaration"]
ignore: ["after-declaration"]

`rule-nested-empty-line-before`
except: ["after-rule"]

hudochenkov/postcss-sorting,hudochenkov/postcss-sorting,hudochenkov/postcss-sorting