docs: rename command

docs/content/04-renaming.md

@@ -7,7 +7,22 @@ How to rename and organize media
 
 You can organize and rename individual files or whole directories with supper
 
-### Examples:
+### Flags
+`--action|-a`: The action to perform when renaming media. Can be one of
+`move`, `symlink`, `hardlink` or `copy`. Default operation is to hardlink
+files
+
+`--extract|-x`: Additionally extract media from archives (zip/rar).
+
+`--movies'-m`: Only rename movies
+
+`--subtitles|-s`: Only rename subtitles
+
+`--tvshows|-t`: Only rename tv shows
+
+To see all applicable flags see: `supper ren --help`
+
+### Examples
 Rename all media in the `/media/downloads` folder using hardlink (default action): 
 ```bash
 supper ren /media/downloads