Add proper header to components contrib

evennia/contrib/base_systems/components/README.md

@@ -1,6 +1,8 @@
 # Components
 
-_Contrib by ChrisLR 2021_
+Contrib by ChrisLR, 2021
+
+Expand typeclasses using a components/composition approach.
 
 ## The Components Contrib
 
@@ -134,7 +136,7 @@ from evennia.contrib.base_systems import components
 # This is the Component class
 class Health(components.Component):
     name = "health"
-    
+
     # Stores the current and max values as Attributes on the host, defaulting to 100
     current = components.DBField(default=100)
     max = components.DBField(default=100)
@@ -185,7 +187,7 @@ class Attack(Command):
             # Attempt to retrieve the component, None is obtained if it does not exist.
             if target.components.health:
                 valid_target = target
-        
+
         if not valid_target:
             caller.msg("You can't attack that!")
             return True