Ensure window has minimum size

main.odin

@@ -47,6 +47,8 @@ main :: proc() {
 	}
 	defer cleanup_sdl()
 
+	sdl.SetWindowMinimumSize(app.window, 300, 400)
+
 	// Create tabs from command line arguments
 	if len(args) == 0 {
 		// Create empty tab if no files specified