1、metaTable中加入字段主键设置

2、添加删除策略配置
3、列表配置中加入"HIDDEN"配置，以及预览中加入解析逻辑

src/main/java/net/tccn/meta/MetaService.java

@@ -5,6 +5,7 @@ import net.tccn.base.arango.Doc;
 
 import javax.persistence.Table;
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
@@ -24,6 +25,7 @@ public class MetaService extends Doc<MetaService> {
     private List<Map<String,String>> shows = new ArrayList<>();
     private List<Map<String,String>> edits = new ArrayList<>();
     private List<Map<String,String>> details = new ArrayList<>();
+    private Map<String, String> dels = new HashMap<>();
     private List<Filter> filters = new ArrayList<>();//{name:"", label:"", checked:true, }
     private List<Map<String,String>> exports = new ArrayList<>();