Update index.md (#294)

* Update index.md (ISD-2212 and ISD-2289)

Adopted template page (in this case, added header to the page)
Rearranged the Contents section so the left-hand Charmhub menu will have a consistent pattern 
Smaller edits to text

* clarify

docs/index.md

@@ -1,11 +1,17 @@
-This charm simplifies initial deployment and "day N" operations of Discourse
-on Kubernetes, such as scaling the number of instances, integration with SSO,
-access to S3 for redundant file storage and more. It allows for deployment on
-many different Kubernetes platforms, from [MicroK8s](https://microk8s.io) or
-[Charmed Kubernetes](https://ubuntu.com/kubernetes) to public cloud Kubernetes
-offerings.
+# Discourse Operator
+A [Juju](https://juju.is/) [charm](https://juju.is/docs/olm/charmed-operators) deploying and managing Discourse on Kubernetes.
 
-Discourse is an open-source software application used to create customer-friendly and community-friendly discussion platforms, forums, and mailing lists. It's designed to work as a discussion platform for various topics and is widely used by numerous organizations and individuals to build communities, provide customer support, and facilitate conversations. The platform is built with a focus on simplicity, user-friendliness, and responsiveness, making it accessible from both desktops and mobile devices. Discourse provides various moderation and administration tools, enabling community managers to maintain a healthy and constructive environment.
+Discourse is an open-source software application used to create customer-friendly and community-friendly discussion platforms, 
+forums, and mailing lists. It's designed to work as a discussion platform for various topics and is widely used by numerous 
+organizations and individuals to build communities, provide customer support, and facilitate conversations. The platform is 
+built with a focus on simplicity, user-friendliness, and responsiveness, making it accessible from both desktops and mobile 
+devices. Discourse provides various moderation and administration tools, enabling community managers to maintain a healthy and 
+constructive environment.
+
+This charm simplifies operations of Discourse on Kubernetes, such as scaling the number of instances, integration 
+with SSO, access to S3 for redundant file storage and more. It allows for deployment on many different Kubernetes 
+platforms, from [MicroK8s](https://microk8s.io) or [Charmed Kubernetes](https://ubuntu.com/kubernetes) to public cloud 
+Kubernetes offerings.
 
 ## In this documentation
 
@@ -33,22 +39,22 @@ fixes and constructive feedback.
 
 # Contents
 
-1. [Explanation](explanation)
-  1. [Charm architecture](explanation/charm-architecture.md)
+1. [Tutorial](tutorial.md)
 1. [How To](how-to)
   1. [Access the Rails console](how-to/access--the-rails-console.md)
+  1. [Backup and restore](how-to/backup-and-restore.md)
   1. [Configure the container](how-to/configure-container.md)
   1. [Configure the hostname](how-to/configure-hostname.md)
   1. [Configure S3](how-to/configure-s3.md)
   1. [Configure SAML](how-to/configure-saml.md)
   1. [Configure SMTP](how-to/configure-smtp.md)
   1. [Contribute](how-to/contribute.md)
   1. [Upgrade](how-to/upgrade.md)
-  1. [Backup and restore](how-to/backup-and-restore.md)
 1. [Reference](reference)
   1. [Actions](reference/actions.md)
   1. [Configurations](reference/configurations.md)
   1. [Integrations](reference/integrations.md)
   1. [Plugins](reference/plugins.md)
   1. [External Access](reference/external-access.md)
-1. [Getting started](tutorial.md)
+1. [Explanation](explanation)
+  1. [Charm architecture](explanation/charm-architecture.md)