added download option, see #1

src/main/java/de/jottyfan/bico/modules/download/DownloadController.java

@@ -0,0 +1,29 @@
+package de.jottyfan.bico.modules.download;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.ResponseBody;
+import org.springframework.web.bind.annotation.ResponseStatus;
+
+import de.jottyfan.bico.modules.CommonController;
+
+/**
+ *
+ * @author jotty
+ *
+ */
+@Controller
+public class DownloadController extends CommonController {
+
+	@Autowired
+	private DownloadService service;
+
+	@GetMapping(value = "/download", produces = "text/csv")
+	@ResponseBody
+	@ResponseStatus(HttpStatus.OK)
+	public String download() {
+		return service.getCsv();
+	}
+}