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

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

Add Hydrogen

Related to https://github.com/spantaleev/matrix-docker-ansible-deploy/pull/1061
and https://github.com/spantaleev/matrix-docker-ansible-deploy/pull/1057

Fixes https://github.com/spantaleev/matrix-docker-ansible-deploy/issues/1070

Related discussion here: 1ab507349c (commitcomment-51108407)

Fixes https://github.com/spantaleev/matrix-docker-ansible-deploy/issues/1073

Fixes https://github.com/spantaleev/matrix-docker-ansible-deploy/issues/1070

Fix typo in examples/caddy2

Seems to have been added by mistake.

Update grafana (7.5.6->7.5.7)

Configure root_url in granafa.ini

Optimize SSL session