Update README.md

Author: dzmitry-duboyski

README.md

@@ -25,6 +25,7 @@ The easiest way to quickly integrate the [2Captcha](https://2captcha.com/) captc
     - [MTCaptcha](#mtcaptcha)
     - [Friendly Captcha](#friendly-captcha)
     - [Bounding Box Method](#bounding-box-method)
+    - [Grid](#grid)
   - [Other methods](#other-methods)
     - [goodReport](#goodreport)
     - [badReport](#badreport)
@@ -462,6 +463,28 @@ solver.boundingBox({
 })
 ```
 
+### Grid
+
+<sup>[API method description.](https://2captcha.com/2captcha-api#grid)</sup>
+
+This method allows to solve any captcha where image can be divided into equal parts like reCAPTCHA V2 or hCaptcha. A grid is applied above the image. And you receive the numbers clicked boxes.
+
+> [!IMPORTANT]  
+> You must to send instruction `imginstructions` or `textinstructions`.
+
+```js
+solver.grid({ 
+  body: "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAR4AAACwCAIAAAB...",
+  textinstructions: "Select cars in the image"
+})
+.then((res) => {
+    console.log(res);
+})
+.catch((err) => {
+    console.log(err);
+})
+```
+
 ## Other methods
 
 ### goodReport