[README] Point to jaeger-operator instead of templates (#2539)
[README] Point to jaeger-operator instead of templates (#2539)

As right now it points to a deprecated repo which then redirects you the
operator project.

Signed-off-by: Lili Cosic <abbefa0cd2ee4e8134fc65e397abb2e379f8022d@gmail.com>
jpkrohling/jaeger,uber/jaeger,uber/jaeger,jaegertracing/jaeger,pavolloffay/jaeger,jaegertracing/jaeger,jaegertracing/jaeger,jpkrohling/jaeger,jpkrohling/jaeger,jpkrohling/jaeger,pavolloffay/jaeger,uber/jaeger,uber/jaeger,jpkrohling/jaeger,jaegertracing/jaeger,pavolloffay/jaeger,pavolloffay/jaeger,jaegertracing/jaeger,pavolloffay/jaeger