feat: add dropdown of events to navbar

[Afonso-santos]

I add a a header events with a dropdown. In the dropdown we can choose coder camp and dojo con page.

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[reviewpad]

AI-Generated Summary: This pull request includes significant changes to the codebase. Two blog posts named 'difference-languages.md' and 'tech-post-1.md' have been removed from the applications directory.

In the file 'NavBar.tsx', a 'DownOutlined' icon from 'ant-design' has been added. A new set of functionalities for events dropdown has been implemented, which will open an events dropdown menu on a click and close the userDropdown if opened. The existing userDropdown has been modified to close the events dropdown upon opening. Moreover, the appearance of the user icon has been changed to a slightly larger size.

In the 'config.ts' file, the links to 'DojoCon' and 'Coder Camp' have been removed from the main navigation bar menu and they are implemented to appear in the new events dropdown menu.

Different CSS classes have been used throughout to change the style of the elements affected by these changes. These modifications seem to be a part of an effort to improve the website's navigation by categorizing related pages under common dropdown menus and enhancing user experience.

[Afonso-santos]

Criar um dropDown dos eventos no header

[pedrofp4444]

Why are you removing 2 posts from the blog?

[pedrofp4444]

Also, be careful changing the package-lock.json, is it actually needed for this PR?

[pedrofp4444]

Lastly, your alterations should be done for mobile users too, you can follow this example of how to do it. 🙏