allow subclasses to supply openapi tags

wizard-server/src/main/java/org/cobbzilla/wizard/server/config/OpenApiConfiguration.java

@@ -93,6 +93,7 @@ public class OpenApiConfiguration {
         final OpenAPI oas = new OpenAPI()
                 .components(new Components().securitySchemes(MapBuilder.build(SEC_API_KEY, securityScheme)))
                 .info(info)
+                .tags(configuration.getOpenApiTags())
                 .servers(servers);
 
         final Set<String> packages = getPackages(configuration);

wizard-server/src/main/java/org/cobbzilla/wizard/server/config/RestServerConfiguration.java

@@ -2,6 +2,7 @@ package org.cobbzilla.wizard.server.config;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.github.jknack.handlebars.Handlebars;
+import io.swagger.v3.oas.models.tags.Tag;
 import lombok.Getter;
 import lombok.Setter;
 import lombok.extern.slf4j.Slf4j;
@@ -26,6 +27,7 @@ import org.springframework.context.ApplicationContext;
 import java.io.File;
 import java.util.Collection;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.TimeUnit;
@@ -66,6 +68,9 @@ public class RestServerConfiguration {
     @Getter @Setter private OpenApiConfiguration openApi;
     public boolean hasOpenApi () { return openApi != null && openApi.valid(); }
 
+    @Getter(lazy=true) private final List<Tag> openApiTags = initOpenApiTags();
+    protected List<Tag> initOpenApiTags () { return null; }
+
     @Getter @Setter private String springContextPath = "classpath:/spring.xml";
     @Getter @Setter private String springShardContextPath = "classpath:/spring-shard.xml";
     @Getter @Setter private int bcryptRounds = 12;