fix(types): add basicAuthCredential prop

docs/Reference.md

 - [`pullToRefreshEnabled`](Reference.md#pullToRefreshEnabled)
 - [`ignoreSilentHardwareSwitch`](Reference.md#ignoreSilentHardwareSwitch)
 - [`onFileDownload`](Reference.md#onFileDownload)
+- [`basicAuthCredential`](Reference.md#basicAuthCredential)
 
 ## Methods Index
 
 | ------- | -------- | -------- |
 | function | No       | iOS      |
 
+### `basicAuthCredential`[⬆](#props-index)<!-- Link generated with jump2header -->
+
+An object that specifies the credentials of a user to be used for basic authentication.
+
+- `username` (string) - A username used for basic authentication.
+- `password` (string) - A password used for basic authentication.
+
+| Type   | Required |
+| ------ | -------- |
+| object | No       |
+
 ## Methods
 
 ### `extraNativeComponentConfig()`[⬆](#methods-index)<!-- Link generated with jump2header -->

src/WebViewTypes.ts

   event: ShouldStartLoadRequest,
 ) => boolean;
 
+export interface BasicAuthCredential {
+  /**
+   * A username used for basic authentication.
+   */
+  username: string;
+
+  /**
+   * A password used for basic authentication.
+   */
+  password: string;
+}
+
 export interface CommonNativeWebViewProps extends ViewProps {
   cacheEnabled?: boolean;
   incognito?: boolean;
    * Append to the existing user-agent. Overridden if `userAgent` is set.
    */
   applicationNameForUserAgent?: string;
+  basicAuthCredential?: BasicAuthCredential;
 }
 
 export interface AndroidNativeWebViewProps extends CommonNativeWebViewProps {
    * Append to the existing user-agent. Overridden if `userAgent` is set.
    */
   applicationNameForUserAgent?: string;
+
+  /**
+   * An object that specifies the credentials of a user to be used for basic authentication.
+   */
+  basicAuthCredential?: BasicAuthCredential;
 }