Update README.md

add compatibility matrix

Author: leNicDev

README.md

@@ -8,16 +8,20 @@ ng-hcaptcha provides an easy to use component for [hCaptcha](https://hcaptcha.co
 
 ## Table of Contents
 
-- [Supported Angular versions](#supported-angular-versions)
+- [Compatibility](#compatibility)
 - [Installation](#installation)
 - [Usage](#usage)
 - [Execute hCaptcha programmatically](#execute-hcaptcha-programmatically)
 - [Bugs? Ideas?](#bugs-ideas)
 - [Support me](#support-me)
 
-## Supported Angular versions
+## Compatibility
 
-The latest version of `ng-hcaptcha` currently supports Angular v9 to v21.
+| Angular version | ng-hcaptcha version |
+|-----------------|---------------------|
+| 14-21           | latest              |
+| 9-13            | 2.6.0               |
+| < 9             | 1.3.1               |
 
 ## Installation
 
@@ -30,7 +34,6 @@ npm install --save ng-hcaptcha
 # Yarn
 yarn add ng-hcaptcha
 ```
-
 > You can use the tag 'next' to get the latest beta version.
 
 ### Step 2 - Import the NgHcaptchaModule
@@ -135,3 +138,4 @@ If you found a bug or something you don't like, feel free to [open an issue](htt
 If you would like to support me for free, just create your hCaptcha account using my referral link :relaxed:
 [https://hCaptcha.com/?r=4afcb2d42338](https://hCaptcha.com/?r=4afcb2d42338)
 
+