docs(features): replace the routine debugger placeholders with screenshots

features/routine-debugger.mdx

@@ -44,9 +44,9 @@ Other engines have no debugger, Redshift, CockroachDB and PGlite included.
   </Step>
 </Steps>
 
-<Frame caption="An Oracle package asks for the entry point and the protocol">
-  <img className="block dark:hidden" src="/images/routine-debugger-start.png" alt="Debug start sheet with an Entry Point menu, a parameter table with Name, Type, Value, NULL and Default columns, and Protocol, Debugger Host and Debugger Ports fields" />
-  <img className="hidden dark:block" src="/images/routine-debugger-start-dark.png" alt="Debug start sheet with an Entry Point menu, a parameter table with Name, Type, Value, NULL and Default columns, and Protocol, Debugger Host and Debugger Ports fields" />
+<Frame caption="A PostgreSQL function asks only for its parameters">
+  <img className="block dark:hidden" src="/images/routine-debugger-start.png" alt="Debug start sheet for order_total with a parameter table of Name, Type, Value, NULL and Default columns, the values 3 and 19.99 typed in, and Cancel and Debug buttons" />
+  <img className="hidden dark:block" src="/images/routine-debugger-start-dark.png" alt="Debug start sheet for order_total with a parameter table of Name, Type, Value, NULL and Default columns, the values 3 and 19.99 typed in, and Cancel and Debug buttons" />
 </Frame>
 
 On Oracle the start sheet also carries **Protocol**, **Debugger Host** and **Debugger Ports**; see [Protocol](#protocol). Their values are remembered per connection on this Mac.