Resolve "Report uptime for ping metrics"

Closes #25

See merge request !15

Resolve "Create metric from system health reports"

Closes #21

See merge request !14

Resolve "Reload config without wiping DB"

Closes #28

See merge request !13

Resolve "Verbosity setting"

Closes #24

See merge request !12

Resolve "Patch health check"

Closes #22

See merge request !11

Resolve "Health check endpoint"

Closes #20

See merge request !10