Update gotk create helmrelease examples

To better reflect optional fields and highlight specific configuration
options.

docs/cmd/gotk_create_helmrelease.md

@@ -13,37 +13,41 @@ gotk create helmrelease [name] [flags]
 ### Examples
 
 ```
-  # Create a HelmRelease from a HelmRepository source
+  # Create a HelmRelease with a chart from a HelmRepository source
   gotk create hr podinfo \
     --interval=10m \
-    --release-name=podinfo \
-    --target-namespace=default \
     --source=HelmRepository/podinfo \
     --chart=podinfo \
     --chart-version=">4.0.0"
 
-  # Create a HelmRelease from a GitRepository source
+  # Create a HelmRelease with a chart from a GitRepository source
   gotk create hr podinfo \
     --interval=10m \
-    --release-name=podinfo \
-    --target-namespace=default \
     --source=GitRepository/podinfo \
     --chart=./charts/podinfo
 
-  # Create a HelmRelease with values for a local YAML file
+  # Create a HelmRelease with values from a local YAML file
+  gotk create hr podinfo \
+    --source=HelmRepository/podinfo \
+    --chart=podinfo \
+    --values=./my-values.yaml
+
+  # Create a HelmRelease with a custom release name
+  gotk create hr podinfo \
+    --release-name=podinfo-dev
+    --source=HelmRepository/podinfo \
+    --chart=podinfo \
+
+  # Create a HelmRelease targeting another namespace than the resource
   gotk create hr podinfo \
     --target-namespace=default \
     --source=HelmRepository/podinfo \
-    --chart=podinfo \
-    --chart-version=4.0.5 \
-    --values=./my-values.yaml
+    --chart=podinfo
 
   # Create a HelmRelease definition on disk without applying it on the cluster
   gotk create hr podinfo \
-    --target-namespace=default \
     --source=HelmRepository/podinfo \
     --chart=podinfo \
-    --chart-version=4.0.5 \
     --values=./values.yaml \
     --export > podinfo-release.yaml
 
@@ -53,10 +57,10 @@ gotk create helmrelease [name] [flags]
 
 ```
       --chart string              Helm chart name or path
-      --chart-version string      Helm chart version, accepts semver range (ignored for charts from GitRepository sources)
+      --chart-version string      Helm chart version, accepts a semver range (ignored for charts from GitRepository sources)
       --depends-on stringArray    HelmReleases that must be ready before this release can be installed
   -h, --help                      help for helmrelease
-      --release-name string       name used for the Helm release, defaults to a composition of '<target-namespace>-<hr-name>'
+      --release-name string       name used for the Helm release, defaults to a composition of '[<target-namespace>-]<hr-name>'
       --source string             source that contains the chart (<kind>/<name>)
       --target-namespace string   namespace to install this release, defaults to the HelmRelease namespace
       --values string             local path to the values.yaml file