add sdl to project

gui/src/main.cpp

@@ -1,8 +1,16 @@
 #include <iostream>
 
+#include <SDL.h>
 #include "Netsim.hpp"
 
 int main(int argc, char** argv) {
+    SDL_Init(SDL_INIT_VIDEO);
+
+    SDL_Window* window;
+    SDL_Renderer* renderer;
+    SDL_CreateWindowAndRenderer(1000, 1000, NULL, &window, &renderer);
+    SDL_SetWindowTitle(window, "netsim");
+
     Network network("Testnet");
 
     network.addDevice(Device::create("FA:56:A7:12:04:ED"));
@@ -10,5 +18,29 @@ int main(int argc, char** argv) {
 
     std::cout << network << std::endl;
 
+    bool shouldClose = false;
+    SDL_Event event;
+
+    while (!shouldClose) {
+        while (SDL_PollEvent(&event)) {
+            switch (event.type) {
+                case SDL_EVENT_WINDOW_CLOSE_REQUESTED:
+                case SDL_EVENT_QUIT:
+                    shouldClose = true;
+                    break;
+            }
+        }
+
+        SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
+        SDL_RenderClear(renderer);
+
+        SDL_RenderPresent(renderer);
+    }
+
+    SDL_DestroyRenderer(renderer);
+    SDL_DestroyWindow(window);
+
+    SDL_Quit();
+
     return 0;
 }