Update IRC channel

Check IRC appservice service is present before stopping it

Server migration doc update

Annotate server migration with a note in regard to migration between different architectures and the need to dump/restore the database.

Update PostgreSQL Maintenance page

Added a mid-sized VPS configuration with configuration changes to the PostgreSQL database config.

Deleted single quotes in one of the examples to unify the examples

Update IRC appservice

Synapse LDAP auth: add support for Active Directory

Mjolnir antispam

Updated nginx-proxy (1.20.0 -> 1.21.0)

GoMatrixHosting v0.4.7

Fixes https://github.com/spantaleev/matrix-docker-ansible-deploy/issues/1084

Conversation: https://github.com/spantaleev/matrix-docker-ansible-deploy/pull/1083#discussion_r638671860

Signed-off-by: Ahmad Haghighi <haghighi@fedoraproject.org>

Signed-off-by: Ahmad Haghighi <haghighi@fedoraproject.org>

Related to https://github.com/spantaleev/matrix-docker-ansible-deploy/pull/1024

HSTS preload + X-XSS enables

OCSP Stapling SSL manually-managed

# chain.pem file is required for 'ssl_trusted_certificate`

Allow Jitsi XMPP websocket support for users using own webserver.

Remove synapse-admin incompatibility note

I changed the conditional statement in prosody systemd template to bind the localhost port by default if people have set ```matrix_nginx_proxy_enabled == false ```.
Hopefully that should make it the default behaviour now.

Fix hydrogen

Added:
 - Conditional localhost Port bindings for Jitsi Prosody systemd template
- Added variable to main.yml to allow overriding from vars.yml

docs: update Configuring DNS in Hydrogen setup

Related to https://github.com/spantaleev/matrix-docker-ansible-deploy/pull/1055