Update Nextcloud docs (#19956)

**Description**
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⚒️ Fixes  # <!--(issue)-->

**⚙️ Type of change**

- [ ] ⚙️ Feature/App addition
- [ ] 🪛 Bugfix
- [ ] ⚠️ Breaking change (fix or feature that would cause existing
functionality to not work as expected)
- [ ] 🔃 Refactor of current code

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**✔️ Checklist:**

- [ ] ⚖️ My code follows the style guidelines of this project
- [ ] 👀 I have performed a self-review of my own code
- [ ] #️⃣ I have commented my code, particularly in hard-to-understand
areas
- [ ] 📄 I have made corresponding changes to the documentation
- [ ] ⚠️ My changes generate no new warnings
- [ ] 🧪 I have added tests to this description that prove my fix is
effective or that my feature works
- [ ] ⬆️ I increased versions for any altered app according to semantic
versioning
- [ ] I made sure the title starts with `feat(chart-name):`,
`fix(chart-name):` or `chore(chart-name):`

**➕ App addition**

If this PR is an app addition please make sure you have done the
following.

- [ ] 🖼️ I have added an icon in the Chart's root directory called
`icon.png`

---

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charts/premium/nextcloud/docs/installation-notes.md

@@ -2,16 +2,16 @@
 title: Installation Notes
 ---
 
-## Prerequisites
+## Requirements
+
+1. The Cloudnative-PG operator is required from the `system` train. More information can be found on our [getting started guide](https://truecharts.org/manual/SCALE/guides/getting-started/#prometheus-and-cnpg-system-app-installations)
 
-1. The cloudnative-pg operator is required from the operator train. More information can be
-   found on our [getting started guide](https://truecharts.org/manual/SCALE/guides/getting-started#cnpg-operator-installation-and-migration-guide-for-older-users).
 2. Ingress is required to be configured. The preferred and supported method for ingress is Traefik. More information can be
-   found on our [getting started guide](https://truecharts.org/manual/SCALE/guides/getting-started#traefik-installation-for-ingress--reverse-proxy-support-with-truecharts-apps).
+   found on our [getting started guide](https://truecharts.org/manual/SCALE/guides/getting-started/#traefik-installation-for-ingress--reverse-proxy-support-with-truecharts-apps).
 
 :::caution SNAPSHOT DIRECTORY VISIBILITY
 
-Nextcloud installation will fail if the application or user data datasets have Snapshot Directory set to Visible (Invisible by default). Return this setting to default prior to installation.
+Nextcloud installation will fail if the application or user data datasets have Snapshot Directory set to Visible (invisible by default). Return this setting to default prior to installation.
 
 :::
 
@@ -25,20 +25,22 @@ If you plan to use HostPath or NFS to store user data then the permissions for t
 
 ### Required
 
-The following configurations must be set during initially setup for nextcloud to deploy.
+The following configurations must be set during initial setup in order for Nextcloud to deploy.
 
-1. Initial Admin Username
-2. Initial Admin Password
-3. Default Phone Region (if you are unsure about your region, you can find your code for your
-   region in this [wiki](https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2#Officially_assigned_code_elements))
+1. An initial admin username needs to be set
+
+2. An initial admin password needs to be set
+
+3. Default phone region needs to be set (if you are unsure about your region, you can find your code for your region in this [wiki](https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2#Officially_assigned_code_elements))
 
 ### Optional Addons
 
-1. Notify Push (Allows Nextcloud to notify clients of changes, instead of clients having to poll.
-   A Notify Push container will be deployed automatically). This is highly recommended to keep enabled.
-2. ClamAV (Anti-virus for nextcloud, keep in mind that only scans files that Nextcloud posts to it's endpoint.
-   A Clam AV container will be deployed automatically.
-3. Collabora (Document editor for Nextcloud. A Collabora container will be deployed automatically.
+1. Notify Push (Allows Nextcloud to notify clients of changes, instead of clients having to poll. A Notify Push container will be deployed automatically). This is highly recommended to keep enabled.
+
+2. ClamAV (Anti-virus for Nextcloud, keep in mind that only scans files that Nextcloud posts to its endpoint. A Clam AV container will be deployed automatically.
+
+3. Collabora (document editor for Nextcloud. A Collabora container will be deployed automatically.
+
 4. Only Office (document editor for Nextcloud, this does **NOT** deploy the Only Office container.
    You will need to have a separate installation.
 

charts/premium/nextcloud/docs/support.md

@@ -1,10 +1,8 @@
 # Nextcloud Support Policy
 
-Our support is only covering pre-included nextcloud Apps.
-We cannot guarantee user-added apps will work or survive updates
+Our support is only covering pre-included Nextcloud apps. We cannot guarantee user-added apps will work or survive updates
 
-We can also just support one "layout" or config.php setup (so no multisite)
-config.php should be considered non-user alterable. Users should write custom config files to append/override config.php instead.
+We can also only support one "layout" or config.php setup (so no multisite) config.php should be considered non-user alterable. Users should write custom config files to append/override config.php instead.
 Custom user config files are, however, not covered by our support either.
 
 Users are expected to know how to troubleshoot database issues with Nextcloud.