Update Loki README with better links and descriptions (#4088)
Update Loki README with better links and descriptions (#4088)

* Update Loki README with better links and descriptions

* Update README.md

Co-authored-by: Danny Kopping <6567a070590f0a10f7bc50e77868bc9e61a8d9d8@gmail.com>

* Docs: Address review comments; add explanatory msg

Co-authored-by: Danny Kopping <6567a070590f0a10f7bc50e77868bc9e61a8d9d8@gmail.com>
grafana/loki,grafana/loki,grafana/loki,grafana/loki,grafana/loki,grafana/loki