readme: polish wording + link to Wiki doc (!193) · Merge requests · Postgres.AI / postgres-checkup – automated PostgreSQL health checks · GitLab

Nikolay Samokhvalov requested to merge adjust_readme into master Jan 20, 2019

link to the Wiki doc with list of checks has been added
wording improved (only for the part above Examples)

Edited Jan 20, 2019 by Nikolay Samokhvalov