Rename Metrics to Monitors and move it second

shopdb/plugins/base.py

@@ -371,7 +371,7 @@ class BasePlugin(ABC):
                                       # keys, rendered generically - see warranty)
             'position':   int,        # order among panels
             'group':      str,        # OPTIONAL. Which tab on the detail page:
-                                      # 'details' | 'software' | 'metrics'
+                                      # 'details' | 'monitors' | 'software'
                                       # | 'activity'. Omitted means 'details'.
         }
 
@@ -383,12 +383,13 @@ class BasePlugin(ABC):
         existing plugin working untouched: an unknown or absent group resolves
         to 'details', which is the tab that holds what an asset IS. Reach for
         another group only when the panel is the thing that tab exists for -
-        an inventory listing, live telemetry, or a history feed.
+        what is being watched on the box, an inventory listing, or a history
+        feed.
 
         There is deliberately no group for controls. A panel that acts on the
         machine belongs beside the state it acts on: tracked services read as
-        telemetry first and a Start/Stop second, so they live in 'metrics' with
-        the rest of what the endpoint reports. Splitting the buttons away from
+        state first and a Start/Stop second, so they live in 'monitors' with
+        the rest of what is being watched. Splitting the buttons away from
         the state they change made a tab that held one card and answered no
         question on its own.