Add a little section to README about git-encrypt
Add a little section to README about git-encrypt

OpenAddressesUK/morph,openaustralia/morph,otherchirps/morph,openaustralia/morph,otherchirps/morph,otherchirps/morph,openaustralia/morph,openaustralia/morph,OpenAddressesUK/morph,otherchirps/morph,openaustralia/morph,otherchirps/morph,otherchirps/morph,otherchirps/morph,openaustralia/morph,OpenAddressesUK/morph,openaustralia/morph,OpenAddressesUK/morph