Update docs: misc edits for consistency (#3911)

* Add a warning sign to "Warning" labels

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

* Update docs/configuring-playbook-matrix-registration.md

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

* Update docs/maintenance-and-troubleshooting.md: remove a section for ma1sd

As the project has not updated since several years, it does not seem to be reasonable to pick it up specially on the document.

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

* Common header for sections about adjusting the playbook configuration

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

* Update docs/configuring-playbook-dendrite.md: fix links to dendrite.yaml.j2

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

* Update docs/configuring-playbook-bridge-mautrix-signal.md: remove a note added by a commit to remove signalgo

The note has been added with 2f6525ccb3, apparently copied from docs/configuring-playbook-bridge-mautrix-signalgo.md

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

* Update docs/configuring-playbook-bridge-mautrix-wsproxy.md: fix the anchor link text to mautrix-imessage documentation

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

* Update docs/configuring-playbook-etherpad.md: add a note about the component being managed externally

Refer docs/configuring-playbook-backup-borg.md

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

* Update docs/configuring-playbook-jitsi.md: use the common label for warning messages

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

* Update docs/configuring-playbook-ldap-auth.md: unrecommend using ma1sd for authentication

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

* Update docs/configuring-playbook-appservice-double-puppet.md: remove a duplicate anchor link

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

* Update docs for old mautrix bridges for Facebook and Instagram: remove anchor links to the deleted files

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

* Update docs/configuring-playbook-bridge-wechat.md: use common descriptions

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

* Update docs/configuring-playbook-bridge-matrix-bridge-sms.md: create a section for the prerequisite

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

* Update docs/maintenance-and-troubleshooting.md: use the common header text

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

* Use common descriptions for adding the configuration

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

* Update docs/configuring-playbook-bridge-mautrix-telegram.md: small edits

- Add a section for a Telegram API key
- Add a section for instruction about Appservice Double Puppet or Shared Secret Auth

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

* Update docs for Draupnir and Mjolnir: replace colons with periods

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

* Update docs/configuring-playbook-rageshake.md: adopt the common instruction

Based on docs/configuring-playbook-sygnal.md regarding the notification about necessity of the service.

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

* Add a note about the components managed externally

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

---------

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>
Co-authored-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

docs/configuring-playbook-dimension.md

@@ -38,7 +38,7 @@ Dimension requires an access token to be able to connect to your homeserver. Ref
 
 ## Adjusting the playbook configuration
 
-To enable Dimension, add this to your configuration file (`inventory/host_vars/matrix.example.com/vars.yml`). Make sure to replace `ACCESS_TOKEN_HERE` with the one created [above](#obtain-an-access-token).
+To enable Dimension, add the following configuration to your `inventory/host_vars/matrix.example.com/vars.yml` file. Make sure to replace `ACCESS_TOKEN_HERE` with the one created [above](#obtain-an-access-token).
 
 ```yaml
 matrix_dimension_enabled: true
@@ -48,7 +48,7 @@ matrix_dimension_access_token: "ACCESS_TOKEN_HERE"
 
 ### Define admin users
 
-These users can modify the integrations this Dimension supports. Add this to your configuration file (`inventory/host_vars/matrix.example.com/vars.yml`):
+To define admin users who can modify the integrations this Dimension supports, add the following configuration to your `inventory/host_vars/matrix.example.com/vars.yml` file:
 
 ```yaml
 matrix_dimension_admins: