add javadoc

Author: marevol

pom.xml

@@ -67,6 +67,16 @@
 					</execution>
 				</executions>
 			</plugin>
+			<plugin>
+				<artifactId>maven-javadoc-plugin</artifactId>
+				<version>3.2.0</version>
+				<configuration>
+					<source>8</source>
+					<encoding>UTF-8</encoding>
+					<docencoding>UTF-8</docencoding>
+					<charset>UTF-8</charset>
+				</configuration>
+			</plugin>
 			<plugin>
 				<artifactId>maven-assembly-plugin</artifactId>
 				<version>3.3.0</version>