新增 dcm 等医疗数位影像预览

server/src/main/java/cn/keking/service/FilePreview.java

@@ -29,6 +29,7 @@ public interface FilePreview {
     String XML_FILE_PREVIEW_PAGE = "xml";
     String MARKDOWN_FILE_PREVIEW_PAGE = "markdown";
     String BPMN_FILE_PREVIEW_PAGE = "bpmn";
+    String DCM_FILE_PREVIEW_PAGE = "dcm";
     String NOT_SUPPORTED_FILE_PAGE = "fileNotSupported";
 
     String filePreviewHandle(String url, Model model, FileAttribute fileAttribute);