Add editor config

Author: RoSk0

.editorconfig

@@ -0,0 +1,17 @@
+# Editor configuration normalization
+# @see http://editorconfig.org/
+
+# This is the top-most .editorconfig file; do not search in parent directories.
+root = true
+
+# All files.
+[*]
+end_of_line = LF
+indent_style = space
+indent_size = 4
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[{*.yml,*yaml}]
+indent_size = 2