Added backend api for both answered and unanswered question

[Sawan-Kushwah]

issue : #1786
fixes: #1786

WordWise.Mozilla.Firefox.2024-11-08.22-18-47.mp4

This PR introduces the backend functionality for a Question and Answer (Q&A) forum on the website. The following features have been implemented:

Schema Definition: The schema for Question and Answer has been added to the database.

Backend Actions:
    createQuestion: A backend action that allows authenticated users to create questions.
    createAnswer: A backend action that allows authenticated users to answer questions.
    getAnsweredQuestions: A backend action to fetch all answered questions, available to all users.
    getUnansweredQuestions: A backend action to fetch all unanswered questions, available to all users.

API Endpoints:

The endpoints for testing all route have been created 

Pull Request Checklist

• [ X] I have added screenshots and videos to show before and after the working of my code.
• [ X] I have ensured that the screen size is set to 100% while making the video.
• [ X] I have synced the latest fork with my local repository and resolved any conflicts.
• [ X] I have mentioned the issue number which I created before making this PR .(format to mention issue number is : fixes #(issue number) )
• [ X] I understand that if any the above conditions are not met , my PR will not be MERGED .

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Name	Status	Preview	Comments	Updated (UTC)
word-wise	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Nov 8, 2024 4:54pm

[github-actions]

🎉🎉 Thank you for your contribution! Your PR #1793 has been merged! 🎉🎉