Describe the bug
As the options panel for the JWT addon is complex, we should add the help index for the addon so that users can see the help index there only and they don't need to go to the readme.md in the repository to understand the options panel.
Describe the bug As the options panel for the JWT addon is complex, we should add the help index for the addon so that users can see the help index there only and they don't need to go to the readme.md in the repository to understand the options panel.
example of Help index:![image](https://user-images.githubusercontent.com/13570884/128627146-b2dcc21c-46c3-45b7-b576-7365258c82a0.png)
Sample code changes Help Index: https://github.com/SasanLabs/owasp-zap-fileupload-addon/tree/main/src/main/javahelp/org/sasanlabs/fileupload/resources/help
In https://github.com/SasanLabs/owasp-zap-jwt-addon/blob/master/src/main/java/org/zaproxy/zap/extension/jwt/ui/JWTOptionsPanel.java implement a method:
Sample PR: https://github.com/SasanLabs/owasp-zap-fileupload-addon/pull/6/files
Glimpse of UI where the help will be shown![image](https://user-images.githubusercontent.com/13570884/134780948-efad5a89-e664-4fd8-8b7a-1d451efd86f8.png)
Testing the changes build the addon by running