* Add test reporting doc to benchmarks dir
* Updates as per comments
* Add discv5 results to Insights section
* Update to apply PR comment suggestions
* Add future improvements section to TL;DR
* new docs/benchmarks/cspell.json: add cspell.json to explicitly accept words
* docs/benchmarks/postgres-adoption.md: change test-waku-queryc078075 to test-waku-query-c078075