feat: added live preview query function to stack

Author: harshithad0703

src/lib/contentstack.ts

@@ -40,7 +40,7 @@ export function Stack(config: StackConfig): StackClass {
 
   if (config.live_preview?.enable === true) {
     if (config.live_preview?.management_token != null && config.live_preview?.preview_token == null) {
-      config.host = 'api.contentstack.com'
+      config.host = 'api.contentstack.io'
       config.live_preview.host = config.host
     } else if (config.live_preview?.preview_token != null && config.live_preview?.management_token == null) {
       config.host = 'rest-preview.contentstack.com'

src/lib/stack.ts

@@ -1,4 +1,4 @@
-import { StackConfig, SyncStack, SyncType } from './types';
+import { StackConfig, SyncStack, SyncType, LivePreviewQuery } from './types';
 import { AxiosInstance } from '@contentstack/core';
 import { Asset } from './asset';
 import { AssetQuery } from './asset-query';
@@ -15,6 +15,7 @@ export class Stack {
   constructor(client: AxiosInstance, config: StackConfig) {
     this._client = client;
     this.config = config;
+    this.config.live_preview = config.live_preview
   }
 
   /**
@@ -141,4 +142,12 @@ export class Stack {
   async sync(params: SyncType | SyncStack = {}, recursive = false) {
     return await synchronization(this._client, params, recursive);
   }
+
+  livePreviewQuery(query: LivePreviewQuery) {
+    if (this.config.live_preview) {
+      this.config.live_preview.live_preview = query.live_preview || 'init';
+      this.config.live_preview.contentTypeUid = query.contentTypeUid;
+      this.config.live_preview.entryUid = query.entryUid
+    }
+  }
 }