* move rln specific procs and types
* Renaming and restructuring RLN module
* Rename waku_rln_relay to waku_rln
* rename rln-relay types to rln
* Fix linting
* update logScope topics to match new rln module name
* Rename waku_rln module to rln
* Rename WakuRln type to Rln, rename FFI raw type to RlnRaw to avoid collision
* Apply nph formatting
* Rename local rlnRelay to rln in mountRlnRelay