docs:update pom.xml

pom.xml

@@ -54,11 +54,9 @@
         <polaris.cient.version>0.8.0-SNAPSHOT</polaris.cient.version>
 
         <!-- Maven Plugin Versions -->
-        <maven-compiler-plugin.version>3.7.0</maven-compiler-plugin.version>
-        <maven-surefire-plugin.version>2.21.0</maven-surefire-plugin.version>
+        <jacoco.version>0.8.3</jacoco.version>
         <maven-source-plugin.version>3.2.0</maven-source-plugin.version>
         <flatten-maven-plugin.version>1.1.0</flatten-maven-plugin.version>
-        <jacoco.version>0.8.3</jacoco.version>
     </properties>
 
     <dependencyManagement>
@@ -106,7 +104,6 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>${maven-compiler-plugin.version}</version>
                 <inherited>true</inherited>
                 <configuration>
                     <source>1.8</source>
@@ -117,13 +114,24 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>
-                <version>${maven-surefire-plugin.version}</version>
                 <inherited>true</inherited>
                 <configuration>
                     <forkCount>1</forkCount>
                     <reuseForks>false</reuseForks>
                 </configuration>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-javadoc-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>attach-javadocs</id>
+                        <goals>
+                            <goal>jar</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-source-plugin</artifactId>