WIP docs: commenting in main.c and README updates

README.md

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+# WrldBox Engine
+
+## 🧊Introduction
+
+**WrldBox** is a work-in-progress sandbox simulator made by Team wholeworldcoding. It is currently in a pretty developed experimental stage.
+
+It consists of several components:
+
+- `src/main.c`, Main script. Takes all other src and actually renders the engine.
+
+- `ray.c`, rendering the simulation with raylib. (in OLD)
+
+- And a bunch of new files in `src/` that compose the working physics simulation.
+
+- OLD contains the original logic this came from.
+
+This project *is* the next major `wholeworldcoding` project.
+
+## 🛠️ Build and Compile
+
+Clone the repository. Once you have navigated to the folder, you can run:
+
+- `make`
+
+## 🏅Credits
+
+This project was impossible without the support of all three `wholeworldcoding` members.