Allow optional arguments for social media details on /user command

[nisargmakwana]

Issue Description

A user should be able to use /user command with optional arguments. Optional arguments to be added are

1. GitHub
2. LinkedIn
3. Twitter
4. Instagram

Expected Behavior

When a user uses /user command on chat, it should show the above four new optional argument fields. If given 'show' value to those arguments, the response should include the user's respective social media details.

Current Behavior

Upon using /user command it shows 'username' field as a mandatory argument and 'dev' as an optional argument.

Screenshots

Reproducibility

• This issue is reproducible
• This issue is not reproducible

Steps to Reproduce

1. Run /user command on chat

Severity/Priority

• Critical
• High
• Medium
• Low

Additional Information

Checklist

• I have read and followed the project's code of conduct.
• I have searched for similar issues before creating this one.
• I have provided all the necessary information to understand and reproduce the issue.
• I am willing to contribute to the resolution of this issue.