* Mount the host filesystem inside the container

- Remove the /rootfs/proc and /rootfs/sys mounts
- Mount the host filesystem on /hostfs

* Set HOST_PROC, HOST_SYS and HOST_MOUNT_PREFIX vars

- Set HOST_PROC and HOST_SYS to the new location
- Set HOST_MOUNT_PREFIX so that /hostfs is stripped from the reported path

* Bump telegraf-ds chart version to 1.0.23

* Fix lint issues

* Add support for overriding entire TOML config as an escape valve

* Update version number

Fixes #166

Add node selector as well

Remove IntelliJ entry

* feat: Add support for hostNetwork: true to telegraf-ds

* bump telegraf-ds version to 1.0.10

* telegraf-ds: document hostNetwork and dnsPolicy settings in values.yaml

This chart does not allow tweaking the input configuration. It is for
node and Kubernetes monitoring.

Use the `telegraf` chart if you need to configure the inputs