feat: add mail module

wfc-modules/wfc-system/pom.xml

@@ -71,6 +71,11 @@
             <artifactId>wfc-common-swagger</artifactId>
         </dependency>
 
+        <dependency>
+            <groupId>org.wfc</groupId>
+            <artifactId>wfc-common-mail</artifactId>
+        </dependency>
+
     </dependencies>
 
     <build>