* feat: new rest api based on the current store json-rpc api and
following the same structure as the current relay rest api.
* feat: the store api attend GET requests to retrieve historical messages
* feat: unit tests.
* feat: allow return message to rest-client in case error (4XX or 5XX)
* chore: always allow to call the store api endpoints (only rest) without explicit storenode (#1575)
* feat: always mounting the current node as storenode client
* feat(rln-relay): init group manager integration
fix(rln-relay): integrate group manager. todo spam and reg handlers
fix(rln-relay): decouple waku-relay and waku-rln-relay
fix(rln-relay): compiles now
fix(chat2): compilation
fix(rln-relay): wip segfault
fix(rln-relay): segfault
fix(chat2|wakunode2): use optional field
fix(rln-relay): wakunode test
fix(rln-relay): uncomment fields in proto decode
fix(rln-relay): used pragma on tests
fix(rln-relay): include cred processing
fix(rln-relay): add reg callback
fix(rln-relay): args to mount
fix(rln-relay): add timeout to waitForExit
fix(rln-relay): use osproc term instead of posix kill
fix(rln-relay): use poParentStream to prevent deadlock
fix(rln-relay): remove poParentStream, remove ganache log output
* fix(rln-relay): abstract tuple into own type
* feat(credentials): store and processing generic app credentials
* feat(credentials): separate module; minimal tests
* more work
* feat(credentials): check presence of idCredential in keystore and add only new membership groups
* feat(credential): refactor, new data structure, dynamic add credential, filter
* feat(credential): add filter, get credentials
* feat(credential): encode/decode utility
* feat(credential): sort groups, test credential retrieval/group merging
* fix(credential): remove unnecessary order in sort
* fix(credentials): fix vendor commits
* fix(credential/rln): embed credential module in rln relay
* feat(credentials/rln): use credentials API in rln-relay to store/read credentials
* refactor(credentials): implement hasKeys for JsonNode
* fix(credentials): restore connectToNodes call
* refactor(credentials): remove unnecessary imports
* refactor(credentials): add Res suffix to results
* refactor(credential): moved save json to separate proc; added comments
* feat(credentials): use appInfo
* refactor(keystore): refactor code in a more structured module; address reviewers
* fix(keystore): fix indentation
