docs: added README.md

README.md

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+# zboy
+**zboy** is a Game Boy emulator written in C, created as an educational project to deepen understanding of hardware emulation and the inner workings of the original Nintendo Game Boy.
+
+## Purpose
+
+This project is intended purely for learning and experimentation. It aims to implement the core components of the Game Boy - CPU, memory, graphics (PPU), input, and cartridge loading - in a clean, modular, and decoupled manner.
+
+By building zboy from scratch, the goal is to gain hands-on experience with:
+- CPU instruction decoding and execution  
+- Memory mapping and management  
+- Graphics rendering via the PPU  
+- Input handling and emulation  
+- ROM loading and cartridge emulation  
+
+### Dependencies
+zboy is using some dependencies, those include:
+- [libft](https://git.sourcedot.nl/zoeynoort/libft)
+- SDL2