Style lint

[billybonks]

Fixes #374. Fixes #443.

Initial PR, to replace scss lint with style lint

• Try remove Fix block-opening-brace-newline-after rule
• implement or invalidate PropertyUnits rule Invalidated Rule does nothing

"PropertyUnits": {
    "enabled": true,
    "properties": {}
},

• implement or invalidate BorderZero rule

"BorderZero": {
    "enabled": true,
    "convention": "zero"
},

• implement or invalidate DebugStatement rule No other rule like this exists yet

"DebugStatement": {
    "enabled": true
},

• implement or invalidate DeclarationOrder rule No other rule like this exists yet

"DeclarationOrder": {
    "enabled": true
},

• implement or invalidate ElsePlacement rule No other rule like this exists yet

"ElsePlacement": {
    "enabled": true,
    "style": "same_line"
},

• implement or invalidate ImportPath rule

"ImportPath": {
    "enabled": true,
    "leading_underscore": false,
    "filename_extension": false
},

• implement or invalidate PlaceholderInExtend rule

"PlaceholderInExtend": {
    "enabled": true
},

• implement or invalidate PropertySpelling rule *Waiting on property-no-unknown stylelint/stylelint#950 *

"PropertySpelling": {
    "enabled": true,
    "extra_properties": [],
    "disabled_properties": []
},

• implement or invalidate SelectorDepth rule

"SelectorDepth": {
    "enabled": true,
    "max_depth": 4
},

• implement or invalidate SpaceAfterVariableName rule No other rule like this exists yet

"SpaceAfterVariableName": {
    "enabled": true
},

• implement or invalidate SpaceAroundOperator rule No other rule like this exists yet (for maths)

"SpaceAroundOperator": {
    "enabled": true,
    "style": "one_space"
},

• implement or invalidate UnnecessaryMantissa rule No other rule like this exists yet

"UnnecessaryMantissa": {
    "enabled": true
},

• implement or invalidate UnnecessaryParentReference rule No other rule like this exists yet

"UnnecessaryParentReference": {
    "enabled": true
},

• implement or invalidate UrlFormat rule waiting on function-url-no-scheme-relative  stylelint/stylelint#1084*

"UrlFormat": {
    "enabled": true
},

@jglovier

[jglovier]

😍 Looking great!!!! Thanks for your work on this. 🙇

[jglovier]

👍 👍 🎉

[alexander-akait]

@billybonks https://github.com/kristerkari/stylelint-scss It may be interested