added form to switch between locally hosted WebID and custom WebID
use custom webid in rdf
refactoring / used webIdService to remove code duplication
updated readmes
fixed tests
input and save rsa public key
added RsaPublicKey model
add RSA public key to RDF
updated readmes
added field for additional rdf triples
refactored mocking
add additional rdf to user profile graph
updated readmes
updated version