[ADD] dental: add controller

-Add controller dental module as given in task
-Add template
-Add static file
-Design UI

dental/view/dental_chronic_condition.xml

@@ -22,7 +22,6 @@
     </record>
 
     <!-- form view -->
-
     <record id="action_dental_chronic_condition_form" model="ir.ui.view">
         <field name="name">dental.chronic.condition.form</field>
         <field name="model">dental.chronic.condition</field>