Update links to docker-pi-hole repo to the docs section of this repo instead

Tweak tags section

Signed-off-by: Adam Warner <me@adamwarner.co.uk>

docs/docker/index.md

@@ -66,6 +66,4 @@ Release notes will always contain full details of changes in the container, incl
 | :--- | :--- |
 | `latest` | Always the latest release |
 | `2022.04.0` | Date-based release |
-| `2022.04.1` | Second release in a given month |
-| `*beta` | Early beta releases of upcoming versions - here be dragons |
 | `nightly` | Built and pushed whenever there are changes on the `development` branch and additionally produced by the scheduled nightly job. These are the most experimental development images and may change frequently |

docs/main/basic-install.md

@@ -30,4 +30,4 @@ sudo bash basic-install.sh
 
 ### Alternative 3: Use Docker to deploy Pi-hole
 
-Please refer to the [Pi-hole docker repo](https://github.com/pi-hole/docker-pi-hole) to use the Official Docker Images.
+Please refer to the [Docker docs section](../docker/index.md) to use the Official Docker Images.

docs/main/index.md

@@ -1,4 +1,4 @@
-Before installing Pi-hole, you need to make sure your system meets the [prerequisites](prerequisites.md) (hardware and operating system) and decide whether you want a [normal installation](basic-install.md) (bare metal) or a [docker installation](https://github.com/pi-hole/docker-pi-hole/).
+Before installing Pi-hole, you need to make sure your system meets the [prerequisites](prerequisites.md) (hardware and operating system) and decide whether you want a [normal installation](basic-install.md) (bare metal) or a [docker installation](../docker/index.md).
 
 After the installation is complete, check the [Post-Install steps](post-install.md) to make sure your network is using Pi-hole.