Update README.md

Trialverse/triplestore environment config
Fix trialverse API; add outcomes to addiscore api; refactor controller (add abstract base)
move OutcomeControllerTest to correct package
Remove redundant repository
Restore erroneously deleted test; add outcome retrieval to projectsRepository
create outcome
Fix triplestore uri in readme
Add outcome
test for adding outcome in front-end + close overlay on add outcome