add function for send email confirmation

Author: M1n007

README.md

@@ -123,6 +123,7 @@ console.log(resultAllFollowing)
   * [.addStory(image)](#addStory)
   * [.getFollowingByDataUser(dataUser, size, cursor)](#getFollowingByDataUser)
   * [.sendDmByUsername(username, password, usernameReceiver, message)](#sendDmByUsername)
+  * [.sendConfirmationEmail()](#sendConfirmationEmail)
 
 ### getCookie()
   ```js
@@ -180,14 +181,16 @@ console.log(resultAllFollowing)
 ### updateProfile(params)
   ```js
     const payload = {
-        biography: 'test update bio 1'
+        biography: 'test update bio 1',
+        email: '[email protected]'
     }
     const a = await InstaClient.updateProfile(payload)
     console.log(a)
   ```
   > update profile. for now you can only update your bio.
   - `params`
     - `biography`: A `String` 
+    - `email`: A `String` 
 
 ### getImageByUser(params)
   ```js
@@ -479,6 +482,13 @@ console.log(resultAllFollowing)
   - `usernameReceiver`: A `Array` list username receiver message/dm
   - `message`: A `String` text message
 
+### sendConfirmationEmail()
+  ```js
+   await InstaClient.useExistingCookie();
+   const sendConfirmationEmailResult = await InstaClient.sendConfirmationEmail();
+   console.log(sendConfirmationEmailResult)
+  ```
+
 
 ## License
 

lib/index.js

@@ -223,19 +223,30 @@ class Instagram{
     }
 
     async updateProfile({
-        biography = ''
+        biography = '',
+        email = ''
       }){
         try{
             const oldData = await this.getProfileData();
             this.headers.referer = `${this.baseUrl}accounts/edit/`;
-            const payload = `first_name=${oldData.first_name}&email=&username=${oldData.username}&phone_number=${oldData.phone_number}&biography=${biography || oldData.biography}&external_url=&chaining_enabled=on`;
+            const payload = `first_name=${oldData.first_name}&email=${email ? email : oldData.email}&username=${oldData.username}&phone_number=${oldData.phone_number}&biography=${biography || oldData.biography}&external_url=&chaining_enabled=on`;
             const result = await this.requestNodeFetch.post(`${this.baseUrl}accounts/edit/`, payload, this.headers);
             return await result.json();
         }catch(e){
             throw new Error(e)
         }
     }
 
+    async sendConfirmationEmail(){
+        try{
+            this.headers.referer = `${this.baseUrl}`;
+            const result = await this.requestNodeFetch.post(`${this.baseUrlZ4}accounts/send_confirm_email/`, '', this.headers);
+            return await result.json();
+        }catch(e){
+            throw new Error(e)
+        }
+    }
+
 
 
     async registerLastAttemp(phoneNumber, username, password, firstName){