GPII-1225:  Added more details about the client-side dependencies required to use the output generated by the `initBlock` helper.
GPII-1225:  Added more details about the client-side dependencies required to use the output generated by the `initBlock` helper.

the-t-in-rtf/gpii-handlebars,the-t-in-rtf/gpii-handlebars,GPII/gpii-handlebars,GPII/gpii-handlebars