Added installation docu/hints
**Description**
Added Documentation for zigbee2mqtt module (installation guides).
⚒️ Fixes #
none, just copied from Discord channel
**⚙️ Type of change**
- [x] ⚙️ 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?**
Not tested since only docu. Since this is my first commit, someone
should shortly check the changes manually.
**📃 Notes:**
n/a
**✔️ Checklist:**
- [x] ⚖️ My code follows the style guidelines of this project
- [ ] (no code!) 👀 I have performed a self-review of my own code
- [ ] #️⃣ I have commented my code, particularly in hard-to-understand
areas
- [x] 📄 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`
---
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---------
Signed-off-by: StevenMcElligott <89483932+StevenMcElligott@users.noreply.github.com>
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 <47820033+stavros-k@users.noreply.github.com>
Stavros Kois