Add Truenas Scale Instructions (#251)

included two <br /> to add spacing between the guides. 
If the website results in an ssl error at the time of submitting its because the new site is still in the process of being handed over to a different registrar, and its still getting its certs from github. Should be fixed by tomorrow.

docs/Installation.md

@@ -54,3 +54,16 @@ It's finally time to set up TubeArchivist!
 
 ### From there, you should be able to start up your containers and you're good to go!
 If you're still having trouble, join us on [discord](https://discord.gg/AFwz8nE7BK) and come to the #unraid channel.
+
+<br />
+<br />
+
+## Truenas Scale 
+
+Truenas Scale can be a bit confusing, with its k3s kubernetes implementation. 
+
+However, there is a step by step guide available for it's users here:
+
+https://heavysetup.info/applications/tube-archivist/dataset/
+
+- Ensure you are navigating the columns under `Tube Archivist` on the left hand side of the screen