navigation updates

- The Keypad will have its own dedicated tab, replacing the Contacts tab. - The Recents tab will be rebranded as Home. - A new sidebar will replace the current three-dot menu for better accessibility. - The floating action button for the Keypad will be eliminated, integrating it into the tab structure. - A new View contacts chip will appear at the top of the interface. - The Home tab will remain visible at the bottom of the screen when navigating to the Keypad tab. - The Call button's position will be slightly adjusted in the new layout. - The sidebar will maintain the same options currently found in the three-dot menu but will streamline navigation.