Automated documentation update (#479)

Automated documentation update [skip ci]
Co-authored-by: github-actions <github-actions@github.com>

src/docker-in-docker/README.md

@@ -20,6 +20,7 @@ Create child containers *inside* a container, independent from the host's docker
 | dockerDashComposeVersion | Default version of Docker Compose (v1 or v2) | string | v1 |
 | azureDnsAutoDetection | Allow automatically setting the dockerd DNS server when the installation script detects it is running in Azure | boolean | true |
 | dockerDefaultAddressPool | Define default address pools for Docker networks. e.g. base=192.168.0.0/16,size=24 | string | - |
+| installDockerBuildx | Install Docker Buildx | boolean | true |
 
 ## Limitations
 

src/docker-outside-of-docker/README.md

@@ -20,6 +20,7 @@ Re-use the host docker socket, adding the Docker CLI to a container. Feature inv
 | version | Select or enter a Docker/Moby CLI version. (Availability can vary by OS version.) | string | latest |
 | moby | Install OSS Moby build instead of Docker CE | boolean | true |
 | dockerDashComposeVersion | Compose version to use for docker-compose (v1 or v2) | string | v1 |
+| installDockerBuildx | Install Docker Buildx | boolean | true |
 
 ## Limitations