EditorConfig: add .htaccess support

Signed-off-by: VirtualTam <virtualtam@flibidi.net>

.editorconfig

@@ -10,7 +10,7 @@ trim_trailing_whitespace = true
 indent_style = space
 indent_size = 4
 
-[*.{html,xml}]
+[*.{htaccess,html,xml}]
 indent_size = 2
 
 [*.php]