- Moved OpenGL library wrapper into platform

- Finished reorganizing PLANNING.md

planning/ARTIFICIAL_INTELLIGENCE.md

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+
+# Artifical Intelligence (`ai`)
+
+## Table of Contents
+
+
+
+
+## Introduction
+
+  This system implements pathing and decision systems for general-purpose traditional  
+artifical intelligence algorithms. This library will not support Machine-Learning Artificial  
+Intelligence (ML/AI). This artificial intelligence method only differs in static generation  
+between 2D and 3D. The solvers are dimension independent since they work on a graph.  
+
+
+## General Process
+
+### Static
+- generate a static navigation graph (sometimes called a NavMesh)
+
+
+### Tick
+* resolve dynamic blockers
+* update paths using dijkstra's algorithm
+* apply rigid-body forces with constraints
+
+The update loop for artificial intelligence should only update every `n` ticks. Where  
+`n <= k`, with `k` being the tick rate of the physics engine.