release 3.0

Author: karussell

README.md

@@ -23,12 +23,13 @@ We even have [good first issues](https://github.com/graphhopper/graphhopper/issu
 
 To get started you can try [GraphHopper Maps](README.md#graphhopper-maps), read through our documentation and install the GraphHopper Web Service locally.
 
- * stable 2.x: [documentation](https://github.com/graphhopper/graphhopper/blob/2.x/docs/index.md), [web service jar](https://graphhopper.com/public/releases/graphhopper-web-2.4.jar), [announcement](https://www.graphhopper.com/blog/2020/09/30/graphhopper-routing-engine-2-0-released/)
+ * 3.x: [documentation](https://github.com/graphhopper/graphhopper/blob/3.x/docs/index.md), [web service jar](https://graphhopper.com/public/releases/graphhopper-web-3.0.jar), [announcement](https://www.graphhopper.com/blog/2021/05/18/graphhopper-routing-engine-3-0-released/)
  * unstable master: [documentation](https://github.com/graphhopper/graphhopper/blob/master/docs/index.md)
 
 <details><summary>Click to see older releases</summary>
 
  * See our [changelog file](./CHANGELOG.md) for Java API Changes.
+ * 2.x: [documentation](https://github.com/graphhopper/graphhopper/blob/2.x/docs/index.md), [web service jar](https://graphhopper.com/public/releases/graphhopper-web-2.4.jar), [announcement](https://www.graphhopper.com/blog/2020/09/30/graphhopper-routing-engine-2-0-released/)
  * 1.0: [documentation](https://github.com/graphhopper/graphhopper/blob/1.0/docs/index.md), [web service jar](https://graphhopper.com/public/releases/graphhopper-web-1.0.jar), [Android APK](https://graphhopper.com/public/releases/graphhopper-android-1.0.apk), [announcement](https://www.graphhopper.com/blog/2020/05/25/graphhopper-routing-engine-1-0-released/)
  * 0.13.0: [documentation](https://github.com/graphhopper/graphhopper/blob/0.13/docs/index.md), [web service jar](https://graphhopper.com/public/releases/graphhopper-web-0.13.0.jar), [Android APK](https://graphhopper.com/public/releases/graphhopper-android-0.13.0.apk), [announcement](https://www.graphhopper.com/blog/2019/09/18/graphhopper-routing-engine-0-13-released/)
  * 0.12.0: [documentation](https://github.com/graphhopper/graphhopper/blob/0.12/docs/index.md), [web service jar](https://graphhopper.com/public/releases/graphhopper-web-0.12.0.jar), [Android APK](https://graphhopper.com/public/releases/graphhopper-android-0.12.0.apk), [announcement](https://www.graphhopper.com/blog/2019/03/26/graphhopper-routing-engine-0-12-released/)
@@ -45,7 +46,7 @@ To install the [GraphHopper Maps](https://graphhopper.com/maps/) and the web ser
 
 ```bash
 # download and install a JVM that supports at least Java 8 (https://adoptopenjdk.net)
-wget https://graphhopper.com/public/releases/graphhopper-web-2.4.jar https://raw.githubusercontent.com/graphhopper/graphhopper/stable/config-example.yml http://download.geofabrik.de/europe/germany/berlin-latest.osm.pbf
+wget https://graphhopper.com/public/releases/graphhopper-web-3.0.jar https://raw.githubusercontent.com/graphhopper/graphhopper/stable/config-example.yml http://download.geofabrik.de/europe/germany/berlin-latest.osm.pbf
 java -Ddw.graphhopper.datareader.file=berlin-latest.osm.pbf -jar *.jar server config-example.yml
 ```