Related to:

- https://github.com/spantaleev/matrix-docker-ansible-deploy/pull/1323
- https://github.com/spantaleev/matrix-docker-ansible-deploy/pull/1328
- https://github.com/spantaleev/matrix-docker-ansible-deploy/pull/1329

Also indicates that the Mautrix googlechat bridge is a replacement for hangouts.

Also fixes the appservice and homeserver tokens for the Googlechat bridge,
so that they're not the same as the ones for the Hangouts bridge.

Fixes https://github.com/spantaleev/matrix-docker-ansible-deploy/issues/1322

I am not using this bridge and haven't tested this but multiple people have said 1.5.0 isn't working and 1.8.0 works for them so it seems to make sense to update.

https://github.com/matrix-org/matrix-appservice-slack/issues/618#issuecomment-929849093

Minor fixes to the still broken Corporal section

Add new Discord AppService Bridge to matrix-awx role.

add how to generate htpasswd

Gomatrixhosting testing

for matrix_nginx_proxy_proxy_synapse_metrics_basic_auth_key
resolves #1308