Update .editorconfig, apply rules to all files

Author: PeterDaveHello

.editorconfig

@@ -3,9 +3,7 @@ root = true
 [*]
 charset = utf-8
 end_of_line = lf
-insert_final_newline = true
-trim_trailing_whitespace = true
-
-[*.sh]
 indent_size = 2
 indent_style = space
+insert_final_newline = true
+trim_trailing_whitespace = true