feat: added dashboard and myvaults page

[Polybius93]

In this pull request, several notable enhancements have been incorporated to enhance the overall user experience:

Landing Page Addition:

• Introducing a landing page to provide users with an informative entry point to the application.

My Vaults List Expansion:

• Introducing a concise list of "My Vaults" for quick and convenient access to all vaults in one list.

My Vaults Page Integration:

• To provide users with a comprehensive view of their vaults, a dedicated "My Vaults" page has been integrated, offering a centralized hub for managing vault-related activities.

Loading Component Skeletons:

• To optimize user experience and reduce perceived load times, skeleton screens for loading components have been implemented, ensuring a smoother transition between different sections of the application.

Blank Components for Unauthenticated State:

• In preparation for users who have not yet logged in, blank components have been added to create an intuitive and seamless user interface for the disconnected state.

Theme Modification:

• The application's visual appeal has been refined through modifications to the theme.

Select Wallet Modal Enhancement:

• The process of selecting a wallet has been improved with modifications to the select wallet modal.