feat: add WebAuthN support for passwordless login and 2fa (#966)

* at least registration prompt works

* in memory test for login

* buttons to start webauthn process

* begin eventstore impl

* begin eventstore impl

* serialize into bytes

* fix: u2f, passwordless types

* fix for localhost

* fix script

* fix: u2f, passwordless types

* fix: add u2f

* fix: verify u2f

* fix: session data in event store

* fix: u2f credentials in eventstore

* fix: webauthn pkg handles business models

* feat: tests

* feat: append events

* fix: test

* fix: check only ready webauthn creds

* fix: move u2f methods to authrepo

* frontend improvements

* fix return

* feat: add passwordless

* feat: add passwordless

* improve ui / error handling

* separate call for login

* fix login

* js

* feat: u2f login methods

* feat: remove unused session id

* feat: error handling

* feat: error handling

* feat: refactor user eventstore

* feat: finish webauthn

* feat: u2f and passwordlss in auth.proto

* u2f step

* passwordless step

* cleanup js

* EndpointPasswordLessLogin

* migration

* update mfaChecked test

* next step test

* token name

* cleanup

* attribute

* passwordless as tokens

* remove sms as otp type

* add "user" to amr for webauthn

* error handling

* fixes

* fix tests

* naming

* naming

* fixes

* session handler

* i18n

* error handling in login

* Update internal/ui/login/static/i18n/de.yaml

Co-authored-by: Fabi <38692350+fgerschwiler@users.noreply.github.com>

* Update internal/ui/login/static/i18n/en.yaml

Co-authored-by: Fabi <38692350+fgerschwiler@users.noreply.github.com>

* improvements

* merge fixes

* fixes

* fixes

Co-authored-by: Fabiennne <fabienne.gerschwiler@gmail.com>
Co-authored-by: Fabi <38692350+fgerschwiler@users.noreply.github.com>

go.mod

@@ -17,6 +17,7 @@ require (
 	github.com/caos/logging v0.0.2
 	github.com/caos/oidc v0.13.1
 	github.com/cockroachdb/cockroach-go/v2 v2.0.8
+	github.com/duo-labs/webauthn v0.0.0-20200714211715-1daaee874e43
 	github.com/envoyproxy/protoc-gen-validate v0.4.1
 	github.com/ghodss/yaml v1.0.0
 	github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b