- Removed overlays that don't work as intended as soon as the halo effect renders (Brighten, Horizontal Blur, and Vertical Blur).

- Removed 2 glitchy overlays.

There might be more changes that I forgot about.

+ Added some more overlays.

- Removed "Blurry Warp" as it's identical to another overlay.
+ Added some more overlays.

+ Added a lot more overlays, including 3 CSS ones.

- Removed another useless overlay.
+ Added small blur overlay.
+ Added gradient left overlay.
+ Added 5 more forest overlays.
+ Added PHX glass overlay.
+ Added black screen overlay.
~ Changed materials for gradient up/down/right overlays.

- Removed a ton of useless overlays.
- Removed most whitespaces in the Lua file.
~ Renamed Lua file to reduce chances of any rare addon conflicts.
~ Fixed any possible overlays not working.
~ Hopefully fixed any possible overlays not showing up at all.
~ Renamed some overlays.
~ Sorted lines by overlay name alphabetically in the Lua file.