add redirect url to auth code grant type; refactor authcodeinfo db storage

internal/db/dbmigrate/scripts/v0.4.0.pre.sql

internal/db/dbrepo/authcodeinforepo/authcodeInfo.go

internal/endpoints/token/mytoken/pkg/authCodeFlowRequest.go

internal/endpoints/token/mytoken/pkg/oidcFlowRequest.go

internal/oidc/authcode/authcode.go

internal/server/web/static/js/login.js