feat:add demo mode

Changelog

• e1d7ddc feat:github url
• aa0d388 fix:action
• 8d01522 fix:action
• 589ee48 fix:action
• 78c5a4e fix:action
• 8045488 fix:action
• 0b8ca11 fix:action cachev4
• 0176d4f fix:dockerfile
• 5a08c6a init