Mono repo -> Master (#22553)

Combines the following repositories into one:

https://github.com/mattermost/mattermost-server
https://github.com/mattermost/mattermost-webapp
https://github.com/mattermost/focalboard
https://github.com/mattermost/mattermost-plugin-playbooks

server/boards/admin-scripts/reset-password.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+if [[ $# < 2 ]] ; then
+    echo 'reset-password.sh <username> <new password>'
+    exit 1
+fi
+
+curl --unix-socket /var/tmp/focalboard_local.socket http://localhost/api/v2/admin/users/$1/password -X POST -H 'Content-Type: application/json' -d '{ "password": "'$2'" }'