Fix archetypes to work with new jar plugin

Author: tomas-langer

archetypes/helidon/src/main/archetype/mp/common/common-mp.xml

@@ -25,6 +25,7 @@
     <source src="/common/sources.xml"/>
     <output>
         <model>
+            <value key="mainClass">${package}.Main</value>
             <value key="parent-artifactId">helidon-mp</value>
             <list key="dependencies">
                 <map>

archetypes/helidon/src/main/archetype/mp/common/files/src/main/java/__pkg__/Main.java.mustache

@@ -0,0 +1,17 @@
+
+package {{package}};
+
+/**
+ * Main entry point of the application.
+ * This class is registered as the main class in the jar manifest, as well as the main class of the module.
+ */
+public class Main {
+    /**
+     * Main method. Starts CDI (and the application).
+     *
+     * @param args ignored
+     */
+    public static void main(String[] args) {
+        io.helidon.Main.main(args);
+    }
+}

archetypes/helidon/src/main/archetype/mp/custom/custom-mp.xml

@@ -82,7 +82,9 @@
                 <value>jakarta.cdi</value>
                 <value>jakarta.inject</value>
                 <value>jakarta.ws.rs</value>
+                <value>io.helidon</value>
                 <value>io.helidon.microprofile.config</value>
+                <value>io.helidon.microprofile.server</value>
             </list>
         </model>
     </output>

tests/integration/native-image/se-1/src/main/resources/META-INF/native-image/io.helidon.tests.integration.native-image/helidon-tests-native-image-se-1/resource-config.json

@@ -0,0 +1,7 @@
+{
+    "resources": [
+        {
+            "pattern": "application-test.yaml"
+        }
+    ]
+}