feat(rpc): add "by" parameters
This adds new by
parameters for rpc search
queries:
- provides
- conflicts
- replaces
- submitter
- groups
- keywords
- comaintainers
Quite similar to MR !483 (closed) with some more parameters and test cases added.
Signed-off-by: moson-mo mo-son@mailbox.org
Edited by Mario Oenning