Added Linux Support, Improved code cleanliness

src/platform/glfw/glwfwplatform.c

@@ -11,7 +11,7 @@ GLFWwindow *window = NULL;
 
 int32_t main() {
   // Attempt to init GLFW
-  if(!glfwInit()) return NULL;
+  if(!glfwInit()) return 1;
 
   // Setup window hints
   glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, false);