Refactoring: SimpleShapeHand-skills for dedicated open/close skills + documentation

Refactors !40 (merged)

source/armarx/control/components/control_skill_provider/Component.cpp

@@ -52,10 +52,10 @@ namespace armarx::control::components::control_skill_provider
                 addSkillFactory<armarx::control::skills::skills::ShapeHand>(skillRemote);
             }
             {
-                addSkillFactory<armarx::control::skills::skills::OpenHand>();
+                addSkillFactory<armarx::control::skills::skills::SimpleShapeHand>("Open");
             }
             {
-                addSkillFactory<armarx::control::skills::skills::CloseHand>();
+                addSkillFactory<armarx::control::skills::skills::SimpleShapeHand>("Close");
             }
         }
     }