明确：spec jar里的规范，都是以接口形式定义

Author: funkygao

src/main/resources/archetype-resources/__rootArtifactId__-facade/src/main/java/facade/rest/package-info.java

@@ -2,6 +2,6 @@
 #set( $symbol_dollar = '$' )
 #set( $symbol_escape = '\' )
 /**
- * REST services.
+ * REST services implementation.
  */
-package ${package}.facade.rest;
+package ${package}.facade.rest;

src/main/resources/archetype-resources/__rootArtifactId__-spec/src/main/java/spec/package-info.java

@@ -3,5 +3,7 @@
 #set( $symbol_escape = '\' )
 /**
  * Specification layer.
+ *
+ * <p>这里的规范，都以接口形式定义.</p>
  */
 package ${package}.spec;