Add code group blocks to improve worker pool docs

* Show Fedora CoreOS and Flatcar Linux examples in
separate tabs, rather than trying to show one
* Add copyright footer for the poseidon org

docs/advanced/worker-pools.md

@@ -15,9 +15,34 @@ Internal Terraform Modules:
 
 Create a cluster following the AWS [tutorial](../flatcar-linux/aws.md#cluster). Define a worker pool using the AWS internal `workers` module.
 
+=== "Fedora CoreOS"
+
     ```tf
     module "tempest-worker-pool" {
-  source = "git::https://github.com/poseidon/typhoon//aws/container-linux/kubernetes/workers?ref=v1.14.3"
+      source = "git::https://github.com/poseidon/typhoon//aws/fedora-coreos/kubernetes/workers?ref=v1.19.0"
+
+      # AWS
+      vpc_id          = module.tempest.vpc_id
+      subnet_ids      = module.tempest.subnet_ids
+      security_groups = module.tempest.worker_security_groups
+
+      # configuration
+      name               = "tempest-pool"
+      kubeconfig         = module.tempest.kubeconfig
+      ssh_authorized_key = var.ssh_authorized_key
+
+      # optional
+      worker_count  = 2
+      instance_type = "m5.large"
+      os_stream     = "next"
+    }
+    ```
+
+=== "Flatcar Linux"
+
+    ```tf
+    module "tempest-worker-pool" {
+      source = "git::https://github.com/poseidon/typhoon//aws/container-linux/kubernetes/workers?ref=v1.19.0"
 
       # AWS
       vpc_id          = module.tempest.vpc_id
@@ -65,13 +90,13 @@ The AWS internal `workers` module supports a number of [variables](https://githu
 |:-----|:------------|:--------|:--------|
 | worker_count | Number of instances | 1 | 3 |
 | instance_type | EC2 instance type | "t3.small" | "t3.medium" |
-| os_image | AMI channel for a Container Linux derivative | "flatcar-stable" | flatcar-stable, flatcar-beta, flatcar-alph, flatcar-edge |
+| os_image | AMI channel for a Container Linux derivative | "flatcar-stable" | flatcar-stable, flatcar-beta, flatcar-alpha, flatcar-edge |
 | os_stream | Fedora CoreOS stream for compute instances | "stable" | "testing", "next" |
 | disk_size | Size of the EBS volume in GB | 40 | 100 |
 | disk_type | Type of the EBS volume | "gp2" | standard, gp2, io1 |
 | disk_iops | IOPS of the EBS volume | 0 (i.e. auto) | 400 |
 | spot_price | Spot price in USD for worker instances or 0 to use on-demand instances | 0 | 0.10 |
-| snippets | Container Linux Config snippets | [] | [examples](/advanced/customization/) |
+| snippets | Fedora CoreOS or Container Linux Config snippets | [] | [examples](/advanced/customization/) |
 | service_cidr | Must match `service_cidr` of cluster | "10.3.0.0/16" | "10.3.0.0/24" |
 | node_labels | List of initial node labels | [] | ["worker-pool=foo"] |
 
@@ -81,6 +106,34 @@ Check the list of valid [instance types](https://aws.amazon.com/ec2/instance-typ
 
 Create a cluster following the Azure [tutorial](../flatcar-linux/azure.md#cluster). Define a worker pool using the Azure internal `workers` module.
 
+=== "Fedora CoreOS"
+
+    ```tf
+    module "ramius-worker-pool" {
+      source = "git::https://github.com/poseidon/typhoon//azure/fedora-coreos/kubernetes/workers?ref=v1.19.0"
+
+      # Azure
+      region                  = module.ramius.region
+      resource_group_name     = module.ramius.resource_group_name
+      subnet_id               = module.ramius.subnet_id
+      security_group_id       = module.ramius.security_group_id
+      backend_address_pool_id = module.ramius.backend_address_pool_id
+
+      # configuration
+      name               = "ramius-spot"
+      kubeconfig         = module.ramius.kubeconfig
+      ssh_authorized_key = var.ssh_authorized_key
+
+      # optional
+      worker_count = 2
+      vm_type      = "Standard_F4"
+      priority     = "Spot"
+      os_image     = "/subscriptions/some/path/Microsoft.Compute/images/fedora-coreos-31.20200323.3.2"
+    }
+    ```
+
+=== "Flatcar Linux"
+
     ```tf
     module "ramius-worker-pool" {
       source = "git::https://github.com/poseidon/typhoon//azure/container-linux/kubernetes/workers?ref=v1.19.0"
@@ -101,6 +154,7 @@ module "ramius-worker-pool" {
       worker_count = 2
       vm_type      = "Standard_F4"
       priority     = "Spot"
+      os_image     = "flatcar-beta"
     }
     ```
 
@@ -147,6 +201,32 @@ Check the list of valid [machine types](https://azure.microsoft.com/en-us/pricin
 
 Create a cluster following the Google Cloud [tutorial](../flatcar-linux/google-cloud.md#cluster). Define a worker pool using the Google Cloud internal `workers` module.
 
+=== "Fedora CoreOS"
+
+    ```tf
+    module "yavin-worker-pool" {
+      source = "git::https://github.com/poseidon/typhoon//google-cloud/fedora-coreos/kubernetes/workers?ref=v1.19.0"
+
+      # Google Cloud
+      region       = "europe-west2"
+      network      = module.yavin.network_name
+      cluster_name = "yavin"
+
+      # configuration
+      name               = "yavin-16x"
+      kubeconfig         = module.yavin.kubeconfig
+      ssh_authorized_key = var.ssh_authorized_key
+
+      # optional
+      worker_count = 2
+      machine_type = "n1-standard-16"
+      os_stream    = "testing"
+      preemptible  = true
+    }
+    ```
+
+=== "Flatcar Linux"
+
     ```tf
     module "yavin-worker-pool" {
       source = "git::https://github.com/poseidon/typhoon//google-cloud/container-linux/kubernetes/workers?ref=v1.19.0"
@@ -164,7 +244,7 @@ module "yavin-worker-pool" {
       # optional
       worker_count = 2
       machine_type = "n1-standard-16"
-  os_image     = "coreos-beta"
+      os_image     = "flatcar-linux-2303-4-0"    # custom
       preemptible  = true
     }
     ```

mkdocs.yml

@@ -1,6 +1,7 @@
 site_name: Typhoon
 site_description: A minimal and free Kubernetes distribution
 site_author: Dalton Hubble
+copyright: Poseidon Labs
 repo_name: poseidon/typhoon
 repo_url: https://github.com/poseidon/typhoon
 theme:
@@ -41,6 +42,7 @@ markdown_extensions:
   - pymdownx.mark
   - pymdownx.smartsymbols
   - pymdownx.superfences
+  - pymdownx.tabbed
   - pymdownx.tasklist:
       custom_checkbox: true
   - pymdownx.tilde