use waiting rather than polling on window

src/main.zig

@@ -2,9 +2,20 @@ const std = @import("std");
 const c = @import("c.zig");
 
 pub fn main() !void {
+    // Set the window as resizable. This is particularly important for
+    // tiling window managers such as i3 since if they are not resizable they
+    // usually default to floating and we do not want to float by default!
+    c.SetConfigFlags(c.FLAG_WINDOW_RESIZABLE | c.FLAG_VSYNC_HINT);
+
+    // Create our window
     c.InitWindow(640, 480, "ghostty");
     c.SetTargetFPS(60);
     defer c.CloseWindow();
 
-    while (!c.WindowShouldClose()) {}
+    // Draw
+    while (!c.WindowShouldClose()) {
+        c.BeginDrawing();
+        c.ClearBackground(c.BLACK);
+        c.EndDrawing();
+    }
 }