remove login section and reuse existing sections security and auth

fix/adds auth token middleware tests

moving middleware/hooks away from package
exposing public struct UserToken accessible from other packages
fix debug log lines so the same order and naming are used

deletes auth token on signout

Adding ValueMappingsEditor to Storybook

Explore: Fix issue with wrapping on long queries

auth: /api/login/ping fixes

devenv: various fixes for Loki docker block

Ace editor issues

fix: Data source picker in panel queries options should overlap content below, including ace scrollbar #15122

Explore - UI panels state persistance in url

fix util for splitting host and port

Now you can provide both a default host and a default port

Add support for AWS/Neptune in Cloudwatch

Fix save provisioned dashboard modal

Legend toggle should only trigger a re-render, not a refresh

Add pointer cursor to colorpicker

setting margin on label in datasourcelist

introduce samesite setting for login cookie

Clearify the Run from master instructions

WIP: Loki query editor for dashboard panels