Add menu items to the toolbar

[starboi02]

Issue Description

• Add the following items to the MainActivity toolbar :
  • About Us
  • Contact Us
• Add proper .svg icons as well for the same.

Note

• Before starting work on this issue, update your main branch with the main branch of the main repository.
• Create a new branch for working on this issue and give it a meaningful name.
• Note that you must have completed the following issues to claim this issue:
  • Setup the Project on your Local Machine #1
  • Add your name to the list of Contributors (Mandatory) #10
  • Star this Repository #80
• If the above issues have not been completed, this issue will not be assigned to you.

[rohanbabbar04]

claim

[starboi02]

@rohanbabbar04 go ahead!