subscribe method Null safety
Subscribe to the choosen Subreddit
Implementation
subscribe() {
if (subredditInfo.subJoined == false) {
subredditInfo.subJoined = true;
ApiLauncher.subscribeToSub(subredditInfo.rawData!);
} else {
subredditInfo.subJoined = false;
ApiLauncher.unsubscribeToSub(subredditInfo.rawData!);
}
notifyListeners();
}