Adds a first draft of docs for refdata
Adds a first draft of docs for refdata

kbaseIncubator/kb_sdk,kbase/kb_sdk,kbaseIncubator/kb_sdk,kbaseIncubator/kb_sdk,kbase/kb_sdk,kbase/kb_sdk,kbase/kb_sdk,kbaseIncubator/kb_sdk,kbaseIncubator/kb_sdk,kbase/kb_sdk,kbase/kb_sdk,kbase/kb_sdk