Added basics sequence as collection simple setup tasks

Starting with ssmtp

seqs/basics/revaliases.cfg.example

@@ -0,0 +1,6 @@
+# sSMTP aliases
+# 
+# Format:	local_account:outgoing_address:mailhub
+#
+# Example: root:your_login@your.domain:mailhub.your.domain[:port]
+# where [:port] is an optional port number that defaults to 25.