MacOS fixes

fix adding new account in macos

Fix mailsync ping command

Fix mutt-wizard

Fix muttrc for mac

Add files for offlineimap_profile and offlineimap_header

Update README with MacOS install instructions

autoconf/offlineimap_header.macos

@@ -0,0 +1,6 @@
+[general]
+accounts =
+starttls = yes
+ssl = true
+pythonfile = ~/.config/mutt/credentials/imappwd.py
+

autoconf/offlineimap_profile.macos

@@ -0,0 +1,19 @@
+[Account $title]
+
+localrepository = $title-local
+remoterepository = $title-remote
+
+[Repository $title-remote]
+auth_mechanisms = LOGIN
+type = $type
+remoteuser = $login
+sslcacertfile = /usr/local/etc/openssl/cert.pem
+remotepasseval = mailpasswd("$title")
+remotehost = $imap
+remoteport = $iport
+folderfilter = lambda foldername: foldername not in ['[Gmail]/All Mail']
+sslcacertfile = /usr/local/etc/openssl/cert.pem
+
+[Repository $title-local]
+type = Maildir
+localfolders = ~/.mail/$title