added the readme

FBO.h

@@ -0,0 +1,26 @@
+
+#ifndef FBO_CLASS_H
+#define FBO_CLASS_H
+
+#include <glad/glad.h>
+
+// cube
+
+class FBO {
+public:
+	GLuint ID;
+	FBO() {
+		glGenFramebuffers(1, &ID);
+	};
+	void Bind() {
+		glBindFramebuffer(GL_FRAMEBUFFER, ID);
+	};
+	void Unbind() {
+		glBindFramebuffer(GL_FRAMEBUFFER, 0);
+	};
+	void Delete() {
+		glDeleteFramebuffers(1, &ID);
+	};
+};
+
+#endif