Create .editorconfig

Author: mfranzke

.editorconfig

@@ -0,0 +1,26 @@
+# For more information about the properties used in
+# this file, please see the EditorConfig documentation:
+# https://editorconfig.org/
+
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_style = tab
+indent_size = 4
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.js]
+quote_type = single
+
+[package.json]
+# The indent size used in the `package.json` file cannot be changed
+# https://github.com/npm/npm/pull/3180#issuecomment-16336516
+indent_size = 2
+indent_style = space
+
+[{*.yaml,*.yml}]
+indent_style = space
+indent_size = 2