Add badge for actions.

[ashsajal1]

We want to implement a system where users are awarded specific badges based on their actions within the platform. The system should automatically add the appropriate badge when a user meets certain criteria.

Criteria for Badge Assignment:

1. Helper Badge

   • Action: User submits their first answer in the Q&A section.
   • Description: Award the "Helper" badge when the user provides an answer to a question for the first time.

2. Curious Badge

   • Action: User asks 5 questions.
   • Description: Award the "Curious" badge after the user has posted five unique questions.

3. Learner Badge

   • Action: User views or participates in 10 quizzes.
   • Description: Award the "Learner" badge when the user has either answered or viewed questions from ten quizzes.

4. Expert Badge

   • Action: User receives 10 upvotes on any single answer.
   • Description: Award the "Expert" badge when a single answer from the user receives 10 or more upvotes.

5. Innovator Badge

   • Action: User creates a new blog post with at least 100 views.
   • Description: Award the "Innovator" badge when a blog post created by the user reaches 100 views.

6. Mentor Badge

   • Action: User provides 10 accepted answers to questions.
   • Description: Award the "Mentor" badge when 10 of the user's answers are marked as the accepted solution.