Addons XF AIXF: Thread Top 2.0.0

Tested on 2.3.7 and 2.2.17

##Features
This add-on provides a “Top threads” view, ordered by the first post’s reaction score (upvotes minus downvotes). It is a minimal scaffold that installs cleanly, with no schema or XML.

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## Usage

• Global Top: /aixf-top
• Forum Top: /aixf-top/forum?node_id=NN (replace NN with the forum’s node ID)

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## Notes

• Relies on the first post’s reaction_score (XenForo maintains this automatically).
• No database schema changes; uninstall is clean.
• Works on XenForo 2.2+ and 2.3+.
• Optional: create Upvote (+1) and Downvote (–1) reactions for best effect.