[overwolf.social.reddit] Provide API to check if subreddit requires flairs for upload

Feature Description:

When researching Social API errors, we found out an issue where subreddits enforce that a post must include a flair.
we would like to have some way to know whether a subreddit enforces flairs or not

impact for my app:

low (20 daily errors)

What is your current pain point?

Users who wish to upload to reddit get error do to missing flairs

What do you have in mind to solve it?

Provide some info about whether a subreddit enforces flairs or not

Hi!
We’ve added this request to our backlog, and will let you know as it progresses.