Adds a command that opens the current target in the file browser in Emacsclient.
Change-Id: Idbbec3905eb7763ce5bdc2931415db74bc5a5c31
Reviewed-on: https://cl.tvl.fyi/c/depot/+/12367
Tested-by: BuildkiteCI
Reviewed-by: emery <emery@dmz.rs>
Reviewed-by: azahi <azat@bahawi.net>
