Nobø Hub - Support week profiles and global override (#24675)

* nobo_hub - added select for week profile and global override

* Rephrased

* Grammar

* Tweaks

---------

Co-authored-by: c0ffeeca7 <38767475+c0ffeeca7@users.noreply.github.com>

source/_integrations/nobo_hub.markdown

@@ -12,6 +12,7 @@ ha_codeowners:
 ha_domain: nobo_hub
 ha_platforms:
   - climate
+  - select
   - sensor
 ha_integration_type: integration
 ---
@@ -27,12 +28,13 @@ on the back of the hub. If the hub is on a different network than Home Assistant
 
 # Heaters
 
-Each zone containing floor or wall mounted heaters is represented as an HVAC entity.
+Each zone containing floor or wall mounted heaters is represented as an HVAC entity. Adding and removing zones
+and heaters must be done using the Nobø Energy mobile app. 
 
 ## Operation modes
 
 Currently, you can see and change operation and preset for zones and set eco/comfort temperatures if you have
-a supported thermostat.
+a thermostat that supports remote control of the temperature settings.
 
 The possible operation modes are as follows:
 
@@ -48,14 +50,36 @@ This can be utilized the following ways:
 - Changing operation to "Auto" will automatically update preset.
 - Changing operation to "Heat" will set preset to "Comfort".
 
+### Preset override duration
+
+By default, all overrides (when operation is not in "Auto" mode) are constant. It is possible to change this
+to let overrides end when the week profile changes next (same as duration "Now" in the Nobø Energy mobile app)
+in the integration configuration.
+
+### Week profiles
+
+The week profiles are retrieved from the hub. It is possible to change the current week profile for a zone
+using a selector. Week profiles must be created and edited using the Nobø Energy mobile app.
+
 ### No preset "Off"
 
-Nobø heaters does not support preset "Off". This is not a limitation of the integration, but a safety mechanism in the
+Nobø heaters do not support preset "Off". This is not a limitation of the integration, but a safety mechanism in the
 Nobø system (perhaps related to frozen pipes due to frost in Nordic regions). 
 "Away" temperature is fixed to 7°C and cannot be altered. On/off receivers will be off when the zone is in "Away" status.
 
+To turn heaters completely off, follow these steps (this is a workaround solution): 
+1. In the Nobø Energy mobile app, create a week profile.
+    - In this profile, set all days to state off. 
+2. To turn a zone off, select this week profile for the zone. 
+3. To turn a zone on again, switch to the normal week profile for the zone.
+
 For more information, see the [Nobø Ecohub manual](https://help.nobo.no/en/user-manual/before-you-start/what-is-a-weekly-program/).
 
+## Global override
+
+To override all zones to a given preset (except the zones configured to not respect global override), use the global
+override selector. Global override duration respects the same configuration as preset override duration.  
+
 # Nobø Switch
 
 Each Nobø Switch (SW4) is represented as a temperature sensor. If a switch is linked to a zone, the temperature is