stages: add WebAuthn stage (#550)

* core: add User.uid for globally unique user ID

* admin: fix ?next for Flow list

* stages: add initial webauthn implementation

* web: add ak-flow-submit event to submit flow stage

* web: show error message for webauthn registration

* admin: fix next param not redirecting correctly

* stages/webauthn: remove form

* stages/webauthn: add API

* web: update flow diagram on ak-refresh

* stages/webauthn: add initial authentication

* stages/webauthn: initial authentication implementation

* web: cleanup webauthn utils

* stages: rename otp_* to authenticator and move webauthn to authenticator

* docs: fix broken links

* stages/authenticator_*: fix template paths

* stages/authenticator_validate: add device classes

* stages/authenticator_webauthn: implement django_otp.devices

* stages/authenticator_*: update default stage names

* web: add button to create stage on flow page

* web: don't minify HTML, remove nbsp

* admin: fix typo in stage list

* stages/*: use common base class for stage serializer

* stages/authenticator_*: create default objects after rename

* tests/e2e: adjust stage order

web/rollup.config.js

@@ -1,6 +1,5 @@
 import resolve from "rollup-plugin-node-resolve";
 import commonjs from "rollup-plugin-commonjs";
-import minifyHTML from "rollup-plugin-minify-html-literals";
 import { terser } from "rollup-plugin-terser";
 import sourcemaps from "rollup-plugin-sourcemaps";
 import typescript from "@rollup/plugin-typescript";
@@ -38,7 +37,6 @@ export default [
             resolve({ browser: true }),
             commonjs(),
             sourcemaps(),
-            minifyHTML(),
             terser(),
             copy({
                 targets: [...resources],