chore(getting_started): replace templating instructions with make (#609)

Author: NickLarsenNZ

docs/modules/hdfs/examples/getting_started/getting_started.sh

@@ -2,18 +2,7 @@
 set -euo pipefail
 
 # DO NOT EDIT THE SCRIPT
-# Instead, update the j2 template, and regenerate it for dev:
-# cat <<EOF | jinja2 --format yaml getting_started.sh.j2 -o getting_started.sh
-# helm:
-#   repo_name: stackable-dev
-#   repo_url: https://repo.stackable.tech/repository/helm-dev/
-# versions:
-#   commons: 0.0.0-dev
-#   hdfs: 0.0.0-dev
-#   listener: 0.0.0-dev
-#   secret: 0.0.0-dev
-#   zookeeper: 0.0.0-dev
-# EOF
+# Instead, update the j2 template, and regenerate it for dev with `make render-docs`.
 
 # This script contains all the code snippets from the guide, as well as some assert tests
 # to test if the instructions in the guide work. The user *could* use it, but it is intended

docs/modules/hdfs/examples/getting_started/getting_started.sh.j2

@@ -2,18 +2,7 @@
 set -euo pipefail
 
 # DO NOT EDIT THE SCRIPT
-# Instead, update the j2 template, and regenerate it for dev:
-# cat <<EOF | jinja2 --format yaml getting_started.sh.j2 -o getting_started.sh
-# helm:
-#   repo_name: stackable-dev
-#   repo_url: https://repo.stackable.tech/repository/helm-dev/
-# versions:
-#   commons: 0.0.0-dev
-#   hdfs: 0.0.0-dev
-#   listener: 0.0.0-dev
-#   secret: 0.0.0-dev
-#   zookeeper: 0.0.0-dev
-# EOF
+# Instead, update the j2 template, and regenerate it for dev with `make render-docs`.
 
 # This script contains all the code snippets from the guide, as well as some assert tests
 # to test if the instructions in the guide work. The user *could* use it, but it is intended

docs/modules/hdfs/examples/getting_started/hdfs.yaml.j2

@@ -11,13 +11,13 @@ spec:
     dfsReplication: 1
   nameNodes:
     config:
-      listenerClass: external-stable
+      listenerClass: external-stable # This exposes your Stacklet outside of Kubernetes. Remove this configuration if this is not desired
     roleGroups:
       default:
         replicas: 2
   dataNodes:
     config:
-      listenerClass: external-unstable
+      listenerClass: external-unstable # This exposes your Stacklet outside of Kubernetes. Remove this configuration if this is not desired
     roleGroups:
       default:
         replicas: 1