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.

office/.config/isync/mbsyncrc

@@ -0,0 +1,68 @@
+# documentation: https://wiki.archlinux.org/index.php/isync
+
+IMAPAccount gmail
+# Address to connect to
+Host imap.gmail.com
+UserCmd "pass show misc/gmail-app-password | grep username | cut -d: -f2"
+PassCmd "pass show misc/gmail-app-password | head -n1"
+# To store the password in an encrypted file use PassCmd instead of Pass
+# PassCmd "gpg2 -q --for-your-eyes-only --no-tty -d ~/.mailpass.gpg"
+#
+# Use SSL
+TLSType IMAPS
+CertificateFile /etc/ssl/certs/ca-certificates.crt
+# Throttle simultaneous access to make google happy
+PipelineDepth 60
+
+IMAPStore gmail-remote
+Account gmail
+
+MaildirStore mail-local
+Subfolders Verbatim
+# The trailing "/" is important
+Path ~/documents/mail/
+Inbox ~/documents/mail/Inbox
+# define generous maximum size to store locally
+MaxSize 50M
+
+Channel gmail-inbox
+Far :gmail-remote:INBOX
+Near :mail-local:inbox
+# Exclude everything under the internal [Gmail] folder, except the interesting folders
+# Automatically create missing mailboxes, both locally and on the server
+Create Near
+# Save the synchronization state files in the relevant directory
+SyncState *
+
+Channel gmail-sent
+Far :gmail-remote:"[Google Mail]/Sent Mail"
+Near :mail-local:sent
+Create Near
+
+Channel gmail-trash
+Far :gmail-remote:"[Google Mail]/Trash"
+Near :mail-local:trash
+Create Near
+
+Channel gmail-important
+Far :gmail-remote:"[Google Mail]/Starred"
+Near :mail-local:important
+Create Near
+
+Channel gmail-drafts
+Far :gmail-remote:"[Google Mail]/Drafts"
+Near :mail-local:drafts
+Create Near
+
+Channel gmail-all
+Far :gmail-remote:"[Google Mail]/All Mail"
+Near :mail-local:archive
+Create Near
+
+# Put all the channels into one group
+Group googlemail
+Channel gmail-inbox
+Channel gmail-important
+Channel gmail-sent
+Channel gmail-trash
+Channel gmail-all