User should be able to add tables when they click the "create table" button

[Alena Budzko]

Task

• Add header (table name)
• Fixing sizing issue (Edit/Delete icons, column widths)
• Add an 'Add Field' button
• Add 'Save Changes' or 'Save Table' button
• Wrap table with 'Draggable' component (see WELCOME component for reference)
• Wrap table with 'Dialog' component (see WELCOME component for reference)