• Externalize the creation of PostgreSQL backend using the Bitnami's PostgreSQL Helm chart.
• Add high-availability and performance read replicas support for PostgreSQL.
• Add storage persistence for PostgreSQL.
• Allow only manual storage deletion for PostgreSQL.
• Tweak r10k cronjob schedules and Puppet Server components storage size.
• Add Hiera v5 example with explanations.
• Improve info comments and exemplary values in Values file.
• Bump PuppetDB to v6.12.0, and PostgreSQL to v11.9.*.
• Add CODEOWNERS.
• Numerous other small tweaks.