Redirect improvements & consistency

Added

• Set "kv-user" cookie on sign-in and registration
• Implement handling of redirects on login/logout
• Go to login immediately after password reset

Changed

• Pass around search params on redirects
• Autofill email for change password form
• Form handling function can now set input values and readonly state
• Support /#?redirect=url in _redirects
• Set cookie params in consts.js
• Do not specify custom elements version in CSP
• Update to custom elements @ 1.4.3 (same hash somehow)
• Use standard redirect function, checking url.hostname
• Change document.title base on actions

Password checking and changing

Added

• Password reset/change form
• /.well-known/change-password
• Redirects for several actions (/#, /register, /change-password)
• Additional handling of password reset links (?action=reset&token&email)
• Handle query strings for ?action=
• Check for exposed passwords using HaveIBeenPwned

Changed

• Update icons list
• Misc. design changes

Initial Release

• Login and Registration forms with event handling
• Support for navigator.credentials
• Various formats and sizes for icons
• Custom site theme and metadata