[IMPROVE] Implement `watchlist`, `popular`, `spac` and `getdd` with a new library

[montezdesousa]

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What's the feature that should be improved? Reimplement reddit related commands watchlist, popular, spac and getdd with a new library. PushshiftAPI is down.

PushshiftAPI was consecutively throwing the following warning without returning.

Describe how you would like the feature improved A description of what the current feature is vs what it would be after your suggestion.

Possibly describe the ideal way to improve this If you have thought about how you would do it, add it here.

Additional information Add any other information or screenshots about the feature improvement.