Allow mfb_open_ex options

src/main.zig

@@ -41,6 +41,7 @@ const State = struct {
 
         buf.drawRectangle(.{.x=0,.y=0}, .{.x=Width, .y=Height}, grey(@floatToInt(u8, bgValue)));
         buf.drawRectangle(.{.x=Width/3, .y=Height/3}, .{.x=2*Width/3, .y=2*Height/3}, mfb.rgb(255,0,0));
+        buf.drawRectangle(.{.x=0,.y=0}, .{.x=10,.y=10}, mfb.rgb(0,0,255));
     }
 };
 
@@ -96,8 +97,7 @@ pub fn main() !void {
     var gp_allocator = std.heap.GeneralPurposeAllocator(.{}){};
     const alloc = &gp_allocator.allocator;
 
-    std.log.info("All your codebase are belong to us.", .{});
-    var win = mfb.Window.open("Hello minifb-zig", Width, Height) catch unreachable;
+    var win = mfb.Window.open("Hello minifb-zig", Width, Height, .{.resizable=true}) catch unreachable;
     mfb.setTargetFPS(7);
 
     var state = try State.init(3);