Update macOS implementation

Add styleMasks for window parameters.

.gitignore

@@ -1,3 +1,3 @@
 .idea/
 cmake-build-debug/
-.DS_Store
+.DS_Store

src/main.m

@@ -1,14 +1,24 @@
 #import <Cocoa/Cocoa.h>
 #import "main.h"
 
+
 int main() {
 	// https://stackoverflow.com/questions/30269329/creating-window-application-in-pure-c-on-mac-osx
 	@autoreleasepool {
 		[NSApplication sharedApplication];
 		[NSApp setActivationPolicy:NSApplicationActivationPolicyRegular];
 		id applicationName = [[NSProcessInfo processInfo] processName];
-		id window = [[NSWindow alloc] initWithContentRect:NSMakeRect(WINDOW_X, WINDOW_Y, WINDOW_WIDTH, WINDOW_HEIGHT)
-																						styleMask:NSWindowStyleMaskTitled backing:NSBackingStoreBuffered defer:NO];
+		id window = [
+            [NSWindow alloc]
+            initWithContentRect: NSMakeRect(WINDOW_X, WINDOW_Y, WINDOW_WIDTH, WINDOW_HEIGHT)
+            styleMask:
+                NSWindowStyleMaskTitled
+                | NSWindowStyleMaskClosable
+                | NSWindowStyleMaskMiniaturizable
+                | NSWindowStyleMaskResizable
+            backing:NSBackingStoreBuffered
+            defer:NO
+        ];
 		[window cascadeTopLeftFromPoint:NSMakePoint(20, 20)];
 		[window setTitle:applicationName];
 		[window makeKeyAndOrderFront:nil];