Add Onboarding Activity

[erkurtharun]

Issue Description:

To make the application an introductory page so that the application can be understood by users

Tasks to Do:

• [x] Design of page
• [x] Develope related codes
• [x] add some lotie files for animation
• [x] Adding a button to go to the homepage

Task Deadline:

27.12.2022

[erkurtharun]