Add description to the subcommands

src/main/java/com/github/andirady/pomcli/AddCommand.java

@@ -42,7 +42,7 @@
 import picocli.CommandLine.Parameters;
 import picocli.CommandLine.Spec;
 
-@Command(name = "add", sortOptions = false)
+@Command(name = "add", sortOptions = false, description = "Add dependencies")
 public class AddCommand implements Runnable {
 
     private static final Logger LOG = Logger.getLogger("add");

src/main/java/com/github/andirady/pomcli/GetCommand.java

@@ -32,7 +32,7 @@
 import picocli.CommandLine.ParentCommand;
 import picocli.CommandLine.Spec;
 
-@Command(name = "get")
+@Command(name = "get", description = "Get properties")
 public class GetCommand implements Runnable {
 
     @Option(names = { "-f", "--file" }, defaultValue = "pom.xml")

src/main/java/com/github/andirady/pomcli/IdCommand.java

@@ -31,7 +31,7 @@
 import picocli.CommandLine.Spec;
 import picocli.CommandLine.Help.Ansi;
 
-@Command(name = "id")
+@Command(name = "id", description = "Sets the project ID")
 public class IdCommand implements Callable<Integer> {
 
     private static final Logger LOG = Logger.getLogger(IdCommand.class.getName());

src/main/java/com/github/andirady/pomcli/PlugCommand.java

@@ -29,7 +29,7 @@
 import picocli.CommandLine.ParentCommand;
 import picocli.CommandLine.Spec;
 
-@Command(name = "plug")
+@Command(name = "plug", description = "Add a plugin")
 public class PlugCommand extends ModifyingCommandBase {
 
     @Option(names = { "-f", "--file" }, defaultValue = "pom.xml")

src/main/java/com/github/andirady/pomcli/SearchCommand.java

@@ -30,7 +30,7 @@
 import picocli.CommandLine.Help.Ansi;
 import picocli.CommandLine.Model.CommandSpec;
 
-@Command(name = "search")
+@Command(name = "search", description = "Search for artifacts")
 public class SearchCommand implements Runnable {
 
     @ArgGroup(exclusive = true, multiplicity = "1")

src/main/java/com/github/andirady/pomcli/SetCommand.java

@@ -28,7 +28,7 @@
 import picocli.CommandLine.Option;
 import picocli.CommandLine.Parameters;
 
-@Command(name = "set")
+@Command(name = "set", description = "Set properties")
 public class SetCommand implements Runnable {
 
     record Property(String key, String value) {

src/main/java/com/github/andirady/pomcli/SetParentCommand.java

@@ -28,7 +28,7 @@
 import picocli.CommandLine.Spec;
 import picocli.CommandLine.Model.CommandSpec;
 
-@Command(name = "parent")
+@Command(name = "parent", description = "Sets the parent for the project")
 public class SetParentCommand extends ModifyingCommandBase {
 
     @Option(names = { "-f", "--file" }, defaultValue = "pom.xml")

src/test/java/com/github/andirady/pomcli/PlugCommandTest.java

@@ -19,7 +19,6 @@
 import static org.junit.jupiter.api.Assertions.assertSame;
 
 import java.io.IOException;
-import java.nio.file.Files;
 import java.nio.file.Path;
 
 import org.junit.jupiter.api.AfterEach;