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/channels/db/migrations/postgres/000024_create_audits.up.sql

@@ -0,0 +1,11 @@
+CREATE TABLE IF NOT EXISTS audits (
+    id VARCHAR(26) PRIMARY KEY,
+    createat bigint,
+    userid VARCHAR(26),
+    action VARCHAR(512),
+    extrainfo VARCHAR(1024),
+    ipaddress VARCHAR(64),
+    sessionid VARCHAR(26)
+);
+
+CREATE INDEX IF NOT EXISTS idx_audits_user_id ON audits (userid);