Update .editorconfig

Author: pythoninthegrass

.editorconfig

@@ -3,9 +3,10 @@
 # top-most EditorConfig file
 root = true
 
-# Unix-style newlines and whitespace cleanup
+# Unix-style newlines, charset, whitespace cleanup
 [*]
 end_of_line = lf
+charset = utf-8
 insert_final_newline = true
 trim_trailing_whitespace = true
 insert_final_newline = true
@@ -19,16 +20,12 @@ trim_trailing_whitespace = false
 indent_style = tab
 indent_size = 4
 
-# Set default charset
-[*.{html,xml,js,css,py}]
-charset = utf-8
-
 # python
 [*.py]
 indent_style = space
 indent_size = 4
 
 # webdev + terraform
-[*.{html,xml,js,css,gql,tf,tfvars,yml,yaml}]
+[*.{html,xml,js,css,json,cfg,tf,tfvars,yml,yaml}]
 indent_style = space
 indent_size = 2