Feature/cloud backups (#889)

* cifs for cloud backups on lan

* password spelling fix

* fix spelling and fix rpc method

* fix other methods

* remove old code and rename method

* add support for cifs backup targets

wip

cifs api

simplify idiom

add doc comment

wip

wip

should work™

* add password hash to server info

* fix type

* fix types for cifs

* minor fixes for cifs feature

* fix rpc structure

* fix copy, address some TODOs

* add subcommand

* backup path and navigation

* wizard edits

* rebased success page

* wiz conflicts resolved

* current change actually

* only unsub if done

* no fileter if necessary

* fix copy for cifs old password

* setup complete (#913)

* setup complete

* minor fixes

* setup.complete

* complete bool

* setup-wizard: complete boolean

Co-authored-by: Matt Hill <matthewonthemoon@gmail.com>
Co-authored-by: Drew Ansbacher <drew.ansbacher@spiredigital.com>
Co-authored-by: Matt Hill <MattDHill@users.noreply.github.com>

build/fstab

@@ -1,3 +1,4 @@
 LABEL=green	/	ext4	discard,errors=remount-ro	0	1
 LABEL=system-boot	/media/boot-rw	vfat	defaults	0	1
 /media/boot-rw	/boot/firmware	none	defaults,bind,ro	0	0
+LABEL=EMBASSY	/embassy-os	vfat	defaults	0	1