Added screen status documentation

content_structure/screen-status.md

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+---
+layout: default
+title: Screen status
+parent: Content Structure
+nav_order: 8
+---
+
+# Screen status
+
+##  List view
+
+In the list view of screens, there is a column called "Status".
+
+This column shows the status of the connection of a "screen" in the administration and an
+actual "machine" running the screen data. 
+
+This status can be:
+
+* "+ Tilkobl": The screen is not connected to a machine.
+* ✓ (green):  The machine is connected and running the latest code.
+* i (yellow circle): The machine is not running the newest released code.
+* ! (red triangle): The machine has not called the API within the last hour or the access token is expired.
+
+## Screen edit view
+
+In the screen edit view, the "Tilkobling" section shows the status of the connection between the
+screen entity and a machine running the screen data.
+
+The status can be:
+
+* "Skærmen er tilkoblet" (green): The machine is connected and running the latest code.
+* "Skærmen kører ikke seneste udgivelse" (yellow circle): The machine is not running the newest released code.
+* "Skærmen har ikke kommunikeret i mere end en time" (red triangle): The machine has not called the API the latest hour.
+
+Furthermore, the section "Tilkobling" will show the following data:
+
+```text
+* Seneste kommunikation: 14/12 2024 11:35
+* Version: 1.0.9
+* Udgivelsestidspunkt: 17/6 2024 17:26
+```
+
+This shows when the latest communication has occured, what client version the machine is running,
+and the time of client code release.