Update README.md

update head badges links, add snapcraft badge

README.md

@@ -1,5 +1,6 @@
-![GitHub release](https://img.shields.io/github/release/PurpleI2P/i2pd.svg?label=latest%20release)
+[![GitHub release](https://img.shields.io/github/release/PurpleI2P/i2pd.svg?label=latest%20release)](https://github.com/PurpleI2P/i2pd/releases/latest)
-![GitHub](https://img.shields.io/github/license/PurpleI2P/i2pd.svg)
+[![Snapcraft release](https://snapcraft.io/i2pd/badge.svg)](https://snapcraft.io/i2pd)
+[![License](https://img.shields.io/github/license/PurpleI2P/i2pd.svg)](https://github.com/PurpleI2P/i2pd/blob/openssl/LICENSE)
 
 i2pd
 ====
@@ -66,6 +67,7 @@ Build instructions:
 * Mac OS X - [![Build Status](https://travis-ci.org/PurpleI2P/i2pd.svg?branch=openssl)](https://travis-ci.org/PurpleI2P/i2pd)
 * CentOS / Fedora / Mageia - [![Build Status](https://copr.fedorainfracloud.org/coprs/supervillain/i2pd/package/i2pd-git/status_image/last_build.png)](https://copr.fedorainfracloud.org/coprs/supervillain/i2pd/package/i2pd-git/)
 * Docker image - [![Build Status](https://dockerbuildbadges.quelltext.eu/status.svg?organization=meeh&repository=i2pd)](https://hub.docker.com/r/meeh/i2pd/builds/)
+* Snap - [![Snap Status](https://build.snapcraft.io/badge/PurpleI2P/i2pd-snap.svg)](https://build.snapcraft.io/user/PurpleI2P/i2pd-snap)
 * FreeBSD
 * Android
 * iOS