IRedditClient constructor Null safety

1. soreo
2. reddit_client
3. IRedditClient
4. IRedditClient constructor

IRedditClient class

1. Constructors
2. IRedditClient
3. Properties
4. hashCode
5. runtimeType
6. status
7. Methods
8. getPosts
9. getSettings
10. getSubreddit
11. getSubreddits
12. isSubscribedToSubreddit
13. login
14. logout
15. me
16. noSuchMethod
17. searchSubreddit
18. subscribe
19. toString
20. unsubscribe
21. updateSettings
22. Operators
23. operator ==