feat: Add basic SDL2 window application

src/main.cpp

@@ -0,0 +1,61 @@
+#include <SDL2/SDL.h>
+#include <iostream>
+
+int main(int argc, char* argv[]) {
+    // Initialize SDL2
+    if (SDL_Init(SDL_INIT_VIDEO) < 0) {
+        std::cerr << "SDL2 initialization failed: " << SDL_GetError() << std::endl;
+        return 1;
+    }
+
+    // Create window
+    SDL_Window* window = SDL_CreateWindow(
+        "Observations on the Sublime Dynamics of Eroding Matter",
+        SDL_WINDOWPOS_UNDEFINED,
+        SDL_WINDOWPOS_UNDEFINED,
+        800, 600,
+        SDL_WINDOW_SHOWN
+    );
+
+    if (!window) {
+        std::cerr << "Window creation failed: " << SDL_GetError() << std::endl;
+        SDL_Quit();
+        return 1;
+    }
+
+    // Create renderer
+    SDL_Renderer* renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
+    if (!renderer) {
+        std::cerr << "Renderer creation failed: " << SDL_GetError() << std::endl;
+        SDL_DestroyWindow(window);
+        SDL_Quit();
+        return 1;
+    }
+
+    // Main event loop
+    bool running = true;
+    SDL_Event event;
+    
+    while (running) {
+        // Handle events
+        while (SDL_PollEvent(&event)) {
+            if (event.type == SDL_QUIT) {
+                running = false;
+            }
+        }
+
+        // Clear screen with black background
+        SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
+        SDL_RenderClear(renderer);
+
+        // Present the renderer
+        SDL_RenderPresent(renderer);
+    }
+
+    // Cleanup
+    SDL_DestroyRenderer(renderer);
+    SDL_DestroyWindow(window);
+    SDL_Quit();
+
+    return 0;
+}