[help/general] Updated documentation to allow for long and short option command

help/general

@@ -1,9 +1,9 @@
 Usage: dam [--help] [--info] [<options>] <command> <args>
 
 Options
-   --git-dir </path/to/git/dir>
+   --git-dir|-g </path/to/git/dir>
       Defines path to git directory that contains the music collection. Defaults to current directory when not set.
-   -b <batch-id>
+   --batch-id|-b <batch-id>
       Defines batch id for import operation.
 
 Commands