Rego function for DID resolution

To test the function a new example policy should be created, for example:

package example.didResolve

data = did.resolve(input.did)

added Backlog label

changed the description

assigned to @yordan.kinkov

changed milestone to %Sprint 6

added DevInProgress label and removed Backlog label

changed milestone to %Sprint 7

mentioned in commit 75f2a384

mentioned in merge request !14 (merged)

mentioned in merge request workspace!14 (merged)

mentioned in commit 6e6cde1b

mentioned in commit ba446296

closed with merge request !14 (merged)