Add javadoc.io badge

With aggregated javadocs out there, add a badge pointing to
javadoc.io.

Change-Id: I4fe75f7df39e56b01e6f33603f622577b90bdc9b
Signed-off-by: Robert Varga <robert.varga@pantheon.tech>

diff --git a/README.md b/README.md
index def7d134d5ff4e4fe23014f56f6f4e35f9fa5742..e2ed2a2c5d714481be6ccd6a75e0c2a2d368a695 100644 (file)
--- a/README.md
+++ b/README.md
@@ -1,4 +1,5 @@
 [![Maven Central](https://maven-badges.herokuapp.com/maven-central/org.opendaylight.yangtools/yangtools-artifacts/badge.svg)](https://maven-badges.herokuapp.com/maven-central/org.opendaylight.yangtools/yangtools-artifacts)
+[![Javadocs](https://www.javadoc.io/badge/org.opendaylight.yangtools/yangtools-aggregator.svg)](https://www.javadoc.io/doc/org.opendaylight.yangtools/yangtools-aggregator)
 [![License](https://img.shields.io/badge/License-EPL%201.0-blue.svg)](https://opensource.org/licenses/EPL-1.0)
 
 # YANG Tools