Auth: Able to use API tokens for authentication (#1662)

* Auth: Able to use API tokens for authentication

* Update change log

src/datasource/types.ts

@@ -1,6 +1,7 @@
 import { BusEventWithPayload, DataQuery, DataSourceJsonData, DataSourceRef, SelectableValue } from '@grafana/data';
 
 export interface ZabbixDSOptions extends DataSourceJsonData {
+  authType?: ZabbixAuthType;
   username: string;
   password?: string;
   trends: boolean;
@@ -19,6 +20,7 @@ export interface ZabbixDSOptions extends DataSourceJsonData {
 
 export interface ZabbixSecureJSONData {
   password?: string;
+  apiToken?: string;
 }
 
 export interface ZabbixConnectionInfo {
@@ -408,3 +410,8 @@ export interface ZBXAlert {
 export class ZBXQueryUpdatedEvent extends BusEventWithPayload<any> {
   static type = 'zbx-query-updated';
 }
+
+export enum ZabbixAuthType {
+  UserLogin = 'userLogin',
+  Token = 'token',
+}