Mastodon Integration

[AlKYala]

As a contributor to the Notation Census, I want to be able to share new mathematical notations directly to Mastodon with predefined tags, so that I can increase visibility of the project.

Acceptance Criteria:

1. Add a "Share to Mastodon" button on notation pages
2. Implement Mastodon API integration for posting
3. Create a pre-formatted post template that includes:
   • A brief description of the notation
   • A link back to the Notation Census page
   • Predefined hashtags (e.g., #NotationCensus, #Mathematics)
4. Implement error handling for failed posts
5. Display a success message after the post is shared
6. Ensure compliance with Mastodon's API terms of service

Tasks:

• [ ] Research Mastodon API for posting functionality
• [ ] Implement Mastodon API integration in the backend
• [ ] Design and implement the "Share to Mastodon" button UI
• [ ] Create a post template with predefined tags
• [ ] Implement the actual posting mechanism
• [ ] Create error handling for posting failures
• [ ] Develop success messaging for successful posts
• [ ] Perform manual testing of the Mastodon sharing process
• [ ] Update documentation with information about the Mastodon sharing feature

Definition of Done:

• All acceptance criteria are met
• Code is reviewed and approved by at least one other developer
• Unit tests are written and passing
• The feature is tested on multiple browsers and devices
• Documentation is updated to reflect the new Mastodon sharing functionality
• At least one test post has been successfully shared to Mastodon