[Documentation] Webhook setup guidelines

[Satendra-SR]

Is your request related to a problem? Please describe. As we have created the webhook processor which handles the webhook coming from Glific, processes the payload and captures the relevant data. We need a the guideline to setup the webhook so that product team can set it up with out much engagement from tech team

Describe the solution you'd like

• [x] Create webhook setup guideline which can be used to setup independently.

Describe alternatives you've considered NA

Additional context NA

Acceptance Criteria

• [x] Create webhook setup guideline
• [x] Share and get it reviewed by Kriti

Documentation Add whatever documentation will be required here.

[Satendra-SR]

Here is the guidelines - https://docs.google.com/document/d/1-hBci3aDjial4-z_kLRL1fPgo8NRHDM487ulrcTm99E/edit?usp=sharing

[Satendra-SR]

Closing this now as completed