office: Rename mail module to office module

Reflecting the somewhat expanding scope of the module, renamed it to
office. Still keeps the old files and setups but also got a new README
file.

mail/.config/neomutt/maps

@@ -1,61 +0,0 @@
-# index navigation
-bind index l display-message
-bind index L limit
-bind index,pager g       noop # don't send group-replies with g
-bind index       gg      first-entry
-bind index       G       last-entry
-bind index       <space> collapse-thread
-bind index,pager \CF     next-page
-bind index,pager \CB     previous-page
-bind index,pager N       search-opposite # vim-like search
-bind index       s       toggle-new
-macro index \CS "T~U<enter><tag-prefix><clear-flag>N<untag-pattern>.<enter>" "mark all messages as read"
-
-# Email completion bindings
-bind editor <Tab> complete-query
-bind editor ^T complete
-# Press A to add contact to Khard address book
-macro index,pager A \
-    "<pipe-message>khard add-email<return>" \
-    "add the sender email address to khard"
-
-# mailbox navigation
-macro index,pager gi "<change-folder>=inbox<enter>" "go to inbox"
-macro index,pager gm "<change-folder>=important<enter>" "go to important"
-macro index,pager gs "<change-folder>=sent<enter>" "go to sent"
-macro index,pager gd "<change-folder>=drafts<enter>" "go to drafts"
-macro index,pager gt "<change-folder>=trash<enter>" "go to trash"
-macro index,pager ga "<change-folder>=archive<enter>" "go to archive"
-# sidebar navigation
-bind index,pager B sidebar-toggle-visible
-bind index,pager <down>   sidebar-next
-bind index,pager <up>     sidebar-prev
-bind index,pager <right>  sidebar-open
-# search navigation
-macro index a "<limit>all\n" "show all messages (undo limit)"
-# notmuch search navigation
-bind index \\ vfolder-from-query # notmuch search
-# pager navigation
-bind pager,attach h exit
-bind pager l view-attachments
-bind pager k  previous-line
-bind pager j  next-line
-bind pager gg top
-bind pager G  bottom
-# compose postpone
-bind compose p postpone-message
-# markdown to html for composition
-macro compose M "F pandoc -s -f markdown -t html \ny^T^Utext/html; charset=UTF-8\n" "Convert from MD to HTML"
-
-# since we unbound the original g
-bind  index,pager R   group-reply
-# open urls found in the e-mail
-macro index,pager \CU "|urlview<enter>" "call urlview to open links"
-
-# Refresh far imap email
-macro index O "<sync-mailbox><shell-escape>export MBSYNC_PRE=true; sync-mail<enter><sync-mailbox>" "refresh all e-mail"
-macro index o "<sync-mailbox><shell-escape>export MBSYNC_PRE=true; sync-mail gmail-inbox<enter><sync-mailbox>" "refresh inbox e-mail"
-
-# Saner copy/move dialogs
-macro index C "<copy-message>?<toggle-mailboxes>" "copy a message to a mailbox"
-macro index M "<save-message>?<toggle-mailboxes>" "move a message to a mailbox"