Add plugin id

src/main/java/de/tobias/playwall/model/Plugin.java

@@ -9,6 +9,7 @@ import lombok.Setter;
 @Builder
 public class Plugin
 {
+	private Integer id;
 	private String name;
 	private String displayName;
 	private String icon;

src/main/java/de/tobias/playwall/model/PluginDescription.java

@@ -9,6 +9,7 @@ import lombok.Setter;
 @NoArgsConstructor
 public class PluginDescription
 {
+	private Integer id;
 	private String name;
 	private String displayName;
 	private String icon;

src/main/java/de/tobias/playwall/service/PluginService.java

@@ -23,6 +23,7 @@ public class PluginService
 			final PluginManifest manifest = artifactoryClient.getPluginManifest(pluginDescription, version);
 
 			return Plugin.builder()
+					.id(pluginDescription.getId())
 					.name(pluginDescription.getName())
 					.displayName(pluginDescription.getDisplayName())
 					.description(pluginDescription.getDescription())