added annotation for ConfigurationEntry

components/device-mgt/org.wso2.carbon.device.mgt.common/src/main/java/org/wso2/carbon/device/mgt/common/configuration/mgt/ConfigurationEntry.java

@@ -18,13 +18,23 @@
 
 package org.wso2.carbon.device.mgt.common.configuration.mgt;
 
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+
 /**
  * Represents an individual configuration entry.
  */
+@ApiModel(value = "ConfigurationEntry", description = "This class carries all information related to Tenant Configuration" +
+        "Settings")
 public class ConfigurationEntry {
 
+    @ApiModelProperty(name = "name", value = "Name of the configuration", required = true)
     private String name;
+
+    @ApiModelProperty(name = "contentType", value = "Type of the configuration", required = true)
     private String contentType;
+
+    @ApiModelProperty(name = "value", value = "Value of the configuration", required = true)
     private Object value;
 
     public String getName() {