feat(all): Add Documentation Guidelines (#1099)

* feat(all): Add Documentation Guidelines

Signed-off-by: Oliver Bähler <oliverbaehler@hotmail.com>

* Satisfy Linter

Signed-off-by: Oliver Bähler <oliverbaehler@hotmail.com>

* Apply changes from code review

Signed-off-by: Marco Kilchhofer <mkilchhofer@users.noreply.github.com>

* fix: Also add *.gotmpl to argo-rollouts/.helmignore

Signed-off-by: Marco Kilchhofer <mkilchhofer@users.noreply.github.com>

Co-authored-by: Marco Kilchhofer <mkilchhofer@users.noreply.github.com>

charts/argocd-applicationset/.helmignore

@@ -22,3 +22,4 @@
 *.tmproj
 .vscode/
 ci/
+*.gotmpl

charts/argocd-applicationset/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: argocd-applicationset
 description: A Helm chart for installing ArgoCD ApplicationSet
 type: application
-version: 1.9.0
+version: 1.9.1
 appVersion: "v0.3.0"
 home: https://github.com/argoproj/argo-helm
 icon: https://argocd-applicationset.readthedocs.io/en/stable/assets/logo.png
@@ -14,4 +14,4 @@ maintainers:
   - name: maruina
 annotations:
   artifacthub.io/changes: |
-    - "[Added]: Add ingress for webhook, not enabled by default."
+    - "[Changed]: Consistent .helmignore"