Liftoff! - First minor release

Brief

• Headless modules are now available to use through import * as DatePicker from '@ams-js/headless'.

What's Changed

• Create LICENSE by @lilingxi01 in #1
• Create CODE_OF_CONDUCT.md by @lilingxi01 in #3
• Finish migration and wrap up of DSCR module. by @lilingxi01 in #10
• Finish DSCR Migration Development by @lilingxi01 in #19
• Finish building Headless Input and a demo of Headful Input by @lilingxi01 in #23
• Finish TypeScript rewrite and structure cleanup. by @lilingxi01 in #29
• Initial Liftoff is ready to go! by @lilingxi01 in #30

Full Changelog: https://github.com/lilingxi01/ams-date-picker/commits/v0.0.5