Add editorconfig

Author: g3force

.editorconfig

@@ -0,0 +1,19 @@
+# EditorConfig is awesome: https://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+# Unix-style newlines with a newline ending every file
+[*]
+end_of_line = lf
+insert_final_newline = true
+
+# 4 space indentation
+[*.{vue,js,proto}]
+indent_style = space
+indent_size = 4
+
+# 2 space indentation
+[*.{yaml,json}]
+indent_style = space
+indent_size = 2