docs(Zerotier): Update docs (#11757)

**Description**

More updates 

⚒️ 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
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- [ ] 🧪 I have added tests to this description that prove my fix is
effective or that my feature works
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**➕ App addition**

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

- [ ] 🪞 I have opened a PR on
[truecharts/containers](https://github.com/truecharts/containers) adding
the container to TrueCharts mirror repo.
- [ ] 🖼️ I have added an icon in the Chart's root directory called
`icon.png`

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charts/stable/zerotier/docs/How-To-Guide.md

@@ -29,14 +29,14 @@ Also prepare your Zerotier Network ID for your setup, easy to create and copy at
 
 Ideally name your chart `Zerotier` but you can use any name here and leave defaults for Step 2
 
-- Extra Args:
+### Global Pod Options
 
-If you wish to automatically join a specific Zerotier Network upon startup simply enter the `Network-ID` in this space.
-**Note** This is not required for the chart to run but is **highly recommended**.
+This section is hidden by default for TrueNAS SCALE but if you wish to use `Host-Networking` or create an interface inside TrueNAS SCALE (`zerotier creates a network interface`)
 
-![How-To-Step-1](img/How-To-Step-1.png)
+- Click `Expert - Pod Options`
+- Click the checkbox for `Host-Networking` if it isn't enabled
 
-- Container Configuration:
+### App Configuration:
 
   - `ZEROTIER_API_SECRET`: Replaces the authtoken.secret before booting and allows you to manage the control socket's authentication key
   - `ZEROTIER_IDENTITY_PUBLIC`: The identity.public file for zerotier-one. Use zerotier-idtool to generate one of these for you.
@@ -44,13 +44,16 @@ If you wish to automatically join a specific Zerotier Network upon startup simpl
 
   ![How-To-Step-2](img/How-To-Step-2.png)
 
-Networking and Services:
+### Extra Args:
+
+If you wish to automatically join a specific Zerotier Network upon startup simply enter the `Network-ID` in this space.
+**Note** This is not required for the chart to run and may not always work.
+
+![How-To-Step-1](img/How-To-Step-1.png)
+
+### Networking and Services:
 
 - The default ports are fine for this chart, you shouldn't need to port forward or open ports on your router.
-  However many people will want to access their SMB shares or TrueNAS GUI via Zerotier.
-  In order to do so you will have to ensure the screen is setup as below and enable `Host-Networking`.
-
-![Zerotier Host Networking](img/How-To-Step-3.png)
 
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