Add new sensors to Roborock (#28850)

* Update roborock.markdown

* fix typo

source/_integrations/roborock.markdown

@@ -66,8 +66,14 @@ Cleaning area - How much area the vacuum has cleaned in its current run.  If the
 
 Cleaning time - How long the vacuum has been cleaning for. If the vacuum is not currently cleaning, how long it cleaned for in its last run.
 
+Cleaning progress - Only available on some newer devices - what percent of the current cleaning is completed.
+
+Dock error - Only available on the non-basic docks - The current error of the vacuum or 'Ok' if none exist
+
 Main brush time left - How much time is left before Roborock recommends you replace your main brush.
 
+Mop drying remaining time - Only available on the non-basic docks - How much time is left until the mop is dry and ready to continue cleaning.
+
 Side brush time left - How much time is left before Roborock recommends you replace your side brush.
 
 Filter time left - How much time is left before Roborock recommends you replace your vacuum's air filter.