* feat: Added simple, configurable rate limit for lightpush and store-query
Adjust lightpush rest response to rate limit, added tests ann some fixes
Add rest store query test for rate limit checks and proper error response
Update apps/wakunode2/external_config.nim
Move chronos/tokenbucket to nwaku codebasee with limited and fixed feature set
Add meterics counter to lightpush rate limits
Co-authored-by: gabrielmer <101006718+gabrielmer@users.noreply.github.com>
* Add ligthpush payload tests.
* Add end to end lightpush tests.
* updating vendor/nim-unittest2 to protect against core dump issue
* Enable "Valid Payload Sizes" test again
---------
Co-authored-by: Ivan FB <128452529+Ivansete-status@users.noreply.github.com>