Ajout du FR

Ajout du FR + correction du "functions.php"

vendor/guzzlehttp/ringphp/.editorconfig

@@ -0,0 +1,12 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_size = 4
+indent_style = space
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[{Makefile,*.mk}]
+indent_style = tab