Prints file/directory mode

Symbolic/git links are not supported yet
Print file type for other common types

Added:

* g: gitlink
* s, l, b, c, p: ordinary file type
Merge branch 'feature/file-mode' into develop

Print file type and permissions e.g. "-rw-r--r--".
Embolden permission if changed.

TODOs:

* t/T (uid, gid)
* +/. (acl, selinux)