Improve README.md and artifacthub.io

Signed-off-by: Marco Franssen <[email protected]>

charts/spire/charts/spire-server/README.md

@@ -1,5 +1,7 @@
 # spire-server
 
+<!-- This README.md is generated. Please edit README.md.gotmpl -->
+
 ![Version: 0.1.0](https://img.shields.io/badge/Version-0.1.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 1.5.4](https://img.shields.io/badge/AppVersion-1.5.4-informational?style=flat-square)
 
 A Helm chart to install the SPIRE server.
@@ -71,4 +73,3 @@ A Helm chart to install the SPIRE server.
 | upstreamAuthority.disk.secret.name | string | `"spiffe-upstream-ca"` | If secret creation is disabled, the secret with this name will be used. |
 
 ----------------------------------------------
-Autogenerated from chart metadata using [helm-docs v1.11.0](https://github.com/norwoodj/helm-docs/releases/v1.11.0)

charts/spire/charts/spire-server/README.md.gotmpl

@@ -0,0 +1,21 @@
+{{ template "chart.header" . }}
+
+<!-- This README.md is generated. Please edit README.md.gotmpl -->
+
+{{ template "chart.deprecationWarning" . }}
+
+{{ template "chart.badgesSection" . }}
+
+{{ template "chart.description" . }}
+
+{{ template "chart.homepageLine" . }}
+
+{{ template "chart.maintainersSection" . }}
+
+{{ template "chart.sourcesSection" . }}
+
+{{ template "chart.requirementsSection" . }}
+
+{{ template "chart.valuesSection" . }}
+
+----------------------------------------------