Proposed .editorconfig

.editorconfig

# EditorConfig helps developers define and maintain consistent
# coding styles between different editors and IDEs
# editorconfig.org

# @NOTE You can add specific files to the .editorconfig, see https://github.com/angular/angular.js/blob/master/.editorconfig
# Ex. [htmlparser.js]
# My properties

root = true

[*]
end_of_line = lf
charset = utf-8
trim_trailing_whitespace = true
insert_final_newline = true
indent_style = space
indent_size = 4

[*.js]
indent_style = space
indent_size = 4

[*.css]
indent_style = space
indent_size = 4

[*.less]
indent_style = space
indent_size = 4

[*.html]
indent_style = space
indent_size = 4

[*.{diff,md}]
trim_trailing_whitespace = false