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

**🧪 How Has This Been Tested?**
<!--
Please describe the tests that you ran to verify your changes. Provide
instructions so we can reproduce. Please also list any relevant details
for your test configuration
-->

**📃 Notes:**
<!-- Please enter any other relevant information here -->

**✔️ 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

**➕ 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`

---

_Please don't blindly check all the boxes. Read them and only check
those that apply.
Those checkboxes are there for the reviewer to see what is this all
about and
the status of this PR with a quick glance._

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.
+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`)
-**Note** This is not required for the chart to run but is **highly recommended**.
 
-![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)
 
 ## Support