maven: generate sources jar

pom.xml

@@ -13,8 +13,9 @@
 		</resources>
 		<plugins>
 			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-compiler-plugin</artifactId>
-				<version>3.5.1</version>
+				<version>3.10.1</version>
 				<configuration>
 					<excludes>
 						<exclude>de/mrbesen/test/**</exclude>
@@ -23,6 +24,20 @@
 					<target />
 				</configuration>
 			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-source-plugin</artifactId>
+				<version>3.2.0</version>
+				<executions>
+					<execution>
+					<id>attach-sources</id>
+					<phase>package</phase>
+					<goals>
+						<goal>jar-no-fork</goal>
+					</goals>
+					</execution>
+				</executions>
+			</plugin>
 		</plugins>
 	</build>
 	<dependencies>