Adds `-Plugin` suffix to plugin maven sub-module

UltimateStacker-Plugin/pom.xml

@@ -9,7 +9,7 @@
         <artifactId>UltimateStacker-Parent</artifactId>
         <version>3.0.0-SNAPSHOT</version>
     </parent>
-    <artifactId>UltimateStacker</artifactId>
+    <artifactId>UltimateStacker-Plugin</artifactId>
 
     <build>
         <plugins>

pom.xml

@@ -11,7 +11,7 @@
 
     <modules>
         <module>UltimateStacker-API</module>
-        <module>UltimateStacker</module>
+        <module>UltimateStacker-Plugin</module>
     </modules>
 
     <name>UltimateStacker</name>