Update readme
Update readme

Update first example giving more information with the first eye-view.

also on graph's image's click now it goes to the external benchmark
suite project.

kataras/gapi,iris-framework/iris,kataras/iris,kataras/gapi,iris-framework/iris,lucas-flis/iris,kataras/iris,kataras/iris,iris-framework/iris,iris-framework/iris,vvhh2002/iris,vvhh2002/iris,vvhh2002/iris,kataras/iris,vvhh2002/iris