Add Plex Installation Notes (#9052)

**Description**
Created Installation Notes for Plex

⚒️ Fixes  # 

**⚙️ 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?**


**📃 Notes:**


**✔️ 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._

---------

Signed-off-by: kqmaverick <121722567+kqmaverick@users.noreply.github.com>
Signed-off-by: Kjeld Schouten <kjeld@schouten-lebbing.nl>
Signed-off-by: Stavros Kois <47820033+stavros-k@users.noreply.github.com>
Co-authored-by: StevenMcElligott <89483932+StevenMcElligott@users.noreply.github.com>
Co-authored-by: Stavros kois <s.kois@outlook.com>
Co-authored-by: Kjeld Schouten <kjeld@schouten-lebbing.nl>
Co-authored-by: Stavros Kois <47820033+stavros-k@users.noreply.github.com>

.github/SUPPORT.md

@@ -15,11 +15,11 @@ We also document which versions of TrueNAS will receive TrueCharts updates and f
 ### Supported Versions
 
 | TrueNAS version  | Branch   | Supported with updates | Accepting Support tickets | Accepting Bug Reports | Notes                                                                                                          |
-| ---------------- | -------- | ---------------------- | ------------------------- | --------------------- | -------------------------------------------------------------------------------------------------------------- | --- |
-| 22.02.4 or prior | `master` | :x:     | :x:                       | :x:                   | Advised to update to 22.12.2 release of [TrueNAS SCALE](https://www.truenas.com/docs/scale/scalereleasenotes/) |     |
-| 22.12.0          | `master` | :white_check_mark:     | :white_check_mark:        | :white_check_mark:    | Stable Release as of 2022-12-13                                                                               |
-| 22.12.1          | `master` | :white_check_mark:     | :white_check_mark:        | :white_check_mark:    | Stable Release as of 2023-02-21                                                                               |
-| 22.12.2          | `master` | :white_check_mark:     | :white_check_mark:        | :white_check_mark:    | Stable Release as of 2023-04-11                                                                               |
+| ---------------- | -------- | ---------------------- | ------------------------- | --------------------- | -------------------------------------------------------------------------------------------------------------- |
+| 22.02.4 or prior | `master` | :x:                    | :x:                       | :x:                   | Advised to update to 22.12.2 release of [TrueNAS SCALE](https://www.truenas.com/docs/scale/scalereleasenotes/) |
+| 22.12.0          | `master` | :white_check_mark:     | :white_check_mark:        | :white_check_mark:    | Stable Release as of 2022-12-13                                                                                |
+| 22.12.1          | `master` | :white_check_mark:     | :white_check_mark:        | :white_check_mark:    | Stable Release as of 2023-02-21                                                                                |
+| 22.12.2          | `master` | :white_check_mark:     | :white_check_mark:        | :white_check_mark:    | Stable Release as of 2023-04-11                                                                                |
 | Nightly          | `master` | :white_check_mark:     | :x:                       | :white_check_mark:    | Please only submit bug reports during codefreeze                                                               |
 
 :::warning Support Guidelines

charts/stable/plex/docs/installation_notes.md

@@ -0,0 +1,33 @@
+# Plex Installation Notes
+
+## Transcode Folder
+
+- By default the Plex transcode folder is not configured. The recommend setup is emptyDir.
+
+:::danger Memory Requirements
+
+Please be aware of memory requirements if you memory for emptyDir.
+Plex transcode storage requirement is size of file being transcoded + 100MB per simultaneous stream.
+
+Keep in mind that emptyDir's memory counts against the resources defined.
+
+:::
+
+1. Under Additional App Storage click add.
+2. Setup either a Disk Transcode or Memory Transcode as shown below.
+
+### Disk Transcode
+
+![disk-transcode](./img/plex-disk-transcode.png)
+
+### Memory Transcode
+
+![memory-transcode](./img/plex-memory-transcode.png)
+
+## Require HTTPS
+
+![Plex App Config](img/Plex-App-Config.png)
+
+- This option cannot be enabled until initial plex setup is complete and remote access is enabled and functioning as shown below.
+
+![remote access](./img/plex-remote-access.png)