Added additional matrix configuration

roles/docker-matrix/README.md

@@ -37,7 +37,7 @@ Matrix is an open-source project that provides a protocol for secure, decentrali
 ## Sources
 
 ### Guides
-
+- https://matrix-org.github.io/synapse/latest/usage/configuration/config_documentation.html
 - https://cyberhost.uk/element-matrix-setup/
 - https://www.linode.com/docs/guides/how-to-install-the-element-chat-app/
 - https://hub.docker.com/r/vectorim/element-web

roles/docker-matrix/templates/homeserver.yaml.j2

@@ -24,5 +24,8 @@ report_stats:                   true
 macaroon_secret_key:            "{{matrix_macaroon_secret_key}}"
 form_secret:                    "{{matrix_form_secret}}"
 signing_key_path:               "/data/{{domain_matrix_synapse}}.signing.key"
+web_client_location:            "https://{{element_domain}}"
+public_baseurl:                 "https://{{synapse_domain}}"
 trusted_key_servers:
   - server_name: "matrix.org"
+admin_contact: 'mailto:{{administrator_email}}'