Add API base URL castomization option

.editorconfig

@@ -2,10 +2,15 @@
 
 root = true
 
-[src/**]
+[**]
 charset = utf-8
 end_of_line = lf
-tab_width = 4
 indent_style = space
 trim_trailing_whitespace = true
 insert_final_newline = true
+
+[{src,tests}/**.php]
+tab_width = 4
+
+[*.{neon,xml,md}]
+tab_width = 4