Update cursor to cursor pointer on sign in and contact sales buttons

<h1> 👋 Welcome</h1>
<p>Welcome to Chimoney's open-source community! This issue is specifically designed for first-time contributors, so if you're new to open source or haven't contributed to our codebase before, you're in the right place. We're here to help you take your first steps and guide you through the process of making your first contribution.</p>

<h1>Problem</h1>
