feat(default-meeting-ui): implement meeting creation and add participant

[MohamedGenaidy]

implement dashboard to list meeting for default-meeting-ui implement create meeting and join meeting to test the whole cycle Enable search and paging on meetings list. Added search input to filter meetings by Meeting ID or Title. Implemented client-side pagination to display 20 meetings per page. Added paging controls (Previous/Next) below the table. Ensured "Join" button is hidden for inactive meetings.