README p2 site (following lastnpe#6)

README.md

@@ -11,10 +11,12 @@ Configures the path to Eclipse external annotations for null analysis on the Mav
   - either taken from the "m2e.jdt.annotationpath" property in POM files, if it exists (this for configuring one single archive of *.eea for ALL Maven dependencies AND the JRE), 
   - or by individually associating archives on the projects main (not maven-compiler-plugin) dependencies with classpath entries, based on a eea-for-gav marker file in the *-eea.jar which indicates for which Maven GAV it holds external annotations.
 
+p2 update site to install this from: `http://www.lastnpe.org/eclipse-external-annotations-m2e-plugin-p2-site/` _(The 404 is normal, just because there is no index.html; it will work in Eclipse.)_
 
-
-[p2 update site to install this from is being worked on](https://github.com/lastnpe/eclipse-external-annotations-m2e-plugin/issues/6) (#helpwanted) - for now, just `git clone; ./mvnw clean package` it yourself
+You can also build it yourself: `git clone https://github.com/lastnpe/eclipse-external-annotations-m2e-plugin.git; ./mvnw clean package`
 
 see usage examples in [lastnpe/eclipse-null-eea-augments/examples/](https://github.com/lastnpe/eclipse-null-eea-augments/tree/master/examples/maven) (or [sylvainlaurent/null-pointer-analysis-examples](https://github.com/sylvainlaurent/null-pointer-analysis-examples/tree/master/with-external-annotations) for the older single EEA approach).
 
+If you like/use this project, a Star / Watch / Follow on GitHub is appreciated.
+
 see also http://lastnpe.org