Add ALE Psych topic (FNF modding engine)

Added ALE Psych topic files, including index.md and logo image, following the Guidelines and COC.

Author: immalloy

topics/ale-psych/ale-psych.png

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+---
+aliases: ale-psych, fnf-ale-psych
+display_name: ALE Psych
+logo: ale-psych.png
+related: fnf-engine, friday-night-funkin, flixel, fnf, modding, hscript, lua
+short_description: ALE Psych is a fork of Psych Engine tailored for modders of Friday Night Funkin’, offering advanced scripting and customisation.
+topic: ale-psych
+url: https://github.com/ALE-Psych-Crew/ALE-Psych
+---
+ALE Psych is a modding engine for Friday Night Funkin’ built on Psych Engine 0.7.3. It provides a structured environment for creating custom stages, menus, events, and gameplay features without modifying the engine’s source code.
+
+The engine supports Lua and HScript for defining behaviors, UI elements, and logic directly from a mod’s folder. It also uses JSON files to configure options, credits, and engine properties, allowing creators to organize and manage mod content cleanly.
+
+ALE Psych includes various improvements and quality-of-life features over the original Psych Engine, such as redesigned loading systems, support for custom classes, optional 3D objects, and an integrated console for debugging. These additions make it a practical and flexible choice for developers building structured and maintainable FNF mods.