fix: add MFA code support to authorizeURL method

src/client/Client.js

@@ -708,6 +708,7 @@ class Client extends BaseClient {
    * Authorize an application.
    * @param {string} urlOAuth2 Discord Auth URL
    * @param {OAuth2AuthorizeOptions} [options] Oauth2 options
+   * @param {string|number} [mfaCode = null] The mfa code if you have it enabled
    * @returns {Promise<{ location: string }>}
    * @example
    * client.authorizeURL(`https://discord.com/api/oauth2/authorize?client_id=botID&permissions=8&scope=applications.commands%20bot`, {
@@ -716,7 +717,7 @@ class Client extends BaseClient {
       authorize: true
     })
    */
-  authorizeURL(urlOAuth2, options = {}) {
+  authorizeURL(urlOAuth2, options = {}, mfaCode = null) {
     // ! throw new Error('METHOD_WARNING');
     const url = new URL(urlOAuth2);
     if (!/https:\/\/(canary\.|ptb\.)?discord.com\/api(\/v\d{1,2})?\/oauth2\/authorize\?/.test(urlOAuth2)) {
@@ -742,6 +743,7 @@ class Client extends BaseClient {
     return this.api.oauth2.authorize.post({
       query: searchParams,
       data: options,
+      mfaCode,
     });
   }
 

src/rest/APIRequest.js

@@ -99,10 +99,15 @@ class APIRequest {
         'base64',
       );
     }
+
     if (this.options.mfaToken) {
       headers['X-Discord-Mfa-Authorization'] = this.options.mfaToken;
     }
 
+    // Captcha
+    if (captchaKey && typeof captchaKey == 'string') headers['X-Captcha-Key'] = captchaKey;
+    if (captchaRqToken && typeof captchaRqToken == 'string') headers['X-Captcha-Rqtoken'] = captchaRqToken;
+
     let body;
     if (this.options.files?.length) {
       body = new FormData();
@@ -128,10 +133,6 @@ class APIRequest {
       }
     }
 
-    // Captcha
-    if (captchaKey && typeof captchaKey == 'string') headers['X-Captcha-Key'] = captchaKey;
-    if (captchaRqToken && typeof captchaRqToken == 'string') headers['X-Captcha-Rqtoken'] = captchaRqToken;
-
     const controller = new AbortController();
     const timeout = setTimeout(() => controller.abort(), this.client.options.restRequestTimeout).unref();
     return fetch(url, {