fix(build): Added a self-activating profile which adds the generated-…

…sources for VSCode.

- Added a comment of warning to an "obvious" improvement

pom.xml

@@ -1774,6 +1774,10 @@
       <id>add-generated-sources</id>
       <activation>
         <file>
+          <!--
+            Please don't change "target" to "${project.build.directory}" as profile-activation happens before
+            property resolution ... it won't work with a property.
+          -->
           <exists>target/generated-sources/plc4x</exists>
         </file>
       </activation>