Using the older one likely leads to issues like #517.

This flag is necessary for Ansible to ask for the sudo password when using the non-root option as documented in the `hosts` file. Otherwise, Ansible errors out with `missing sudo password`.

Adjust params

This can be removed once turt2live/matrix-dimension#345 is resolved.

Fixes the example, to add the missing required configuration key
for the HTTP policy provider.

Related to #477 (Github Issue).

Related to #454 (Github Pull Request).

Fixes #465 (Github Issue).

Related to https://github.com/xwiki-labs/synapse_scripts/pull/12.

the changes are necessary because certbot images are tagged, so docker does not recognize the necessary architecture

Added Jitsi firewall ports

improve readability

(adapting strings and URLs)