Update h.s.c docs to make it clear which formats do/don't have HA-C support

Acceptance criteria

• The following section needs updating to include the latest formats https://help.sonatype.com/repomanager3/high-availability#HighAvailability-KnownIssuesandLimitations (Missing formats: Cocoapods, Conda, R, Helm, P2, Conan)
• Add a new column to https://help.sonatype.com/repomanager3/formats that says whether the format has HA-C support or not. (Formats without HA-C: Apt, Go, Cocoapods, Conda, R, Helm, P2, Conan)