Track screens

[kevin-sakemaer]

• signin screen (implement signin screen #14)
• loading screen (implement loading screen #15)
• signup screen (implement signup screen #16)
• all password list (implement password list screen #17)
• create tag (implement create tag screen #18)
• tag details ( implement tag details screen #19)
• edit tag (implement edit tag screen #20)
• create password (implement create password screen #21)
• password details (implement password details screen #22)
• edit password (implement edit password screen #23)