Fix missing .gitignore

ws/Archetypes/mi-maven-archetype-quickstart/pom.xml

@@ -48,6 +48,15 @@
       </plugins>
     </pluginManagement>
     <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-resources-plugin</artifactId>
+        <version>3.0.2</version>
+	<configuration>
+          <!-- Required so that .gitignore gets included in archetypes; see https://issues.apache.org/jira/browse/MRESOURCES-190 -->
+          <addDefaultExcludes>false</addDefaultExcludes>
+	</configuration>
+       </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>