…uery

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

Co-authored-by: gabrielmer <101006718+gabrielmer@users.noreply.github.com>

Fixing typos and PR comments

Fix tests

Move chronos/tokenbucket to nwaku codebasee with limited and fixed feature set

Add meterics to lightpush rate limits

Fixes for code and test + test reliability with timing