Added option to use a custom certificate file

bin/mw

@@ -53,7 +53,7 @@ Port  $iport
 User $login
 PassCmd \"pass mutt-wizard-$title\"
 SSLType $ssltype
-CertificateFile $sslcert
+CertificateFile $sslcertmbsync
 
 MaildirStore $title-local
 Subfolders Verbatim
@@ -178,6 +178,9 @@ EOF
 		read -r title
 		printf "\033[0m"
 	done
+	printf "If you need a custom certificate file, please enter the path to it here (including the actual name), else leave it blank.\n\033[0m\\n\tCustom cert file(?): \033[36m"
+	read -r sslcertmbsync
+	[ -z "$sslcertmbsync" ] && sslcertmbsync="$sslcert"
 	printf "If your account has a special username different from your address, insert it now. Otherwise leave this prompt totally blank.\\n\033[34mMost accounts will not have a separate login, so you should probably leave this blank.\033[0m\\n\tLogin(?): \033[36m"
 	read -r login
 	printf "\033[0m"