pgexporter 0.2.0

The [pgexporter](https://pgexporter.github.io/) community is happy to
announce version [0.2.0](https://pgexporter.github.io/release/announcement/2021/10/20/pgexporter-0.2.0.html).

__New Features__

* Connection caching
* `pg_locks`
* `pg_stat_bgwriter`
* `pg_stat_database`
* `pg_stat_database_conflicts`
* Disk space usage (Extended)

The extended metrics requires the [pgexporter_ext](https://github.com/pgexporter/pgexporter_ext) extension.

__Features__

* [Prometheus](https://prometheus.io/) exporter
* Remote management
* Transport Layer Security (TLS) v1.2+ support
* Daemon mode
* User vault

[pgexporter](https://pgexporter.github.io/) is based on the [pgmoneta](https://pgmoneta.github.io/) and
[pgagroal](https://agroal.github.io/pgagroal/) architecture.

__pgexporter__

[pgexporter](https://pgexporter.github.io/) is a [Prometheus](https://prometheus.io/) exporter for [PostgreSQL](https://www.postgresql.org/).

Read our [getting started](https://pgexporter.github.io/gettingstarted.html) guide to setup
[pgexporter](https://pgexporter.github.io/) for your monitoring needs.

__Features__

* [Prometheus](https://prometheus.io/) exporter
* Remote management
* Transport Layer Security (TLS) v1.2+ support
* Daemon mode
* User vault

Learn more on our [web site](https://pgexporter.github.io/) or [GitHub](https://github.com/pgexporter/pgexporter).

[pgexporter](https://pgexporter.github.io/) is released under the
[3-clause BSD license](https://opensource.org/licenses/BSD-3-Clause), and is sponsored by [Red Hat](https://www.redhat.com/en).