Add hcaptcha docs

Author: solvecaptcha-com

README.md

@@ -57,6 +57,7 @@ Need help integrating with your Python app or automation tools? [Open an issue](
     - [Text Captcha](#text-captcha)
     - [reCAPTCHA v2](#recaptcha-v2)
     - [reCAPTCHA v3](#recaptcha-v3)
+    - [hCaptcha](#hcaptcha)
     - [FunCaptcha](#funcaptcha)
     - [GeeTest](#geetest)
     - [GeeTest v4](#geetest-v4)
@@ -206,6 +207,24 @@ result = solver.recaptcha(sitekey='6Le-wvkSVVABCPBMRTvw0Q4Muexq1bi0DJwx_mJ-',
                             param1=..., ...)
 ```
 
+### hCaptcha
+
+<sup>[API method description.](https://solvecaptcha.com/captcha-solver-api#solving_hcaptcha)</sup>
+
+Use the following method to solve hCaptcha and retrieve a token for bypassing the protection.
+
+```python
+result = solver.hcaptcha(sitekey='bf8ccfbf-6a05-45f6-982a-7a7964c2f50c',
+                         url='https://portalunico.siscomex.gov.br',
+                         invisible=0,
+                         domain='hcaptcha.com',
+                         # proxy={
+                         #     'type': 'HTTPS',
+                         #     'uri': 'login:password@IP_address:PORT'
+                         # }
+                         )
+```
+
 ### FunCaptcha
 
 <sup>[API method description.](https://solvecaptcha.com/captcha-solver-api#solving_funcaptcha_new)</sup>