Update docs for mautrix bridges: add sections for enabling double puppeting

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

docs/configuring-playbook-bridge-appservice-kakaotalk.md

@@ -8,6 +8,8 @@ See the project's [documentation](https://src.miscworks.net/fair/matrix-appservi
 
 ## Prerequisite (optional)
 
+### Enable Shared Secret Auth
+
 If you want to set up [Double Puppeting](https://docs.mau.fi/bridges/general/double-puppeting.html) (hint: you most likely do) for this bridge automatically, you need to have enabled [Shared Secret Auth](configuring-playbook-shared-secret-auth.md) for this playbook.
 
 See [this section](configuring-playbook-bridge-mautrix-bridges.md#set-up-double-puppeting-optional) on the [common guide for configuring mautrix bridges](configuring-playbook-bridge-mautrix-bridges.md) for details about setting up Double Puppeting.

docs/configuring-playbook-bridge-mautrix-facebook.md

@@ -8,6 +8,8 @@ See the project's [documentation](https://github.com/mautrix/facebook/blob/maste
 
 ## Prerequisite (optional)
 
+### Enable Shared Secret Auth
+
 If you want to set up [Double Puppeting](https://docs.mau.fi/bridges/general/double-puppeting.html) (hint: you most likely do) for this bridge automatically, you need to have enabled [Shared Secret Auth](configuring-playbook-shared-secret-auth.md) for this playbook.
 
 See [this section](configuring-playbook-bridge-mautrix-bridges.md#set-up-double-puppeting-optional) on the [common guide for configuring mautrix bridges](configuring-playbook-bridge-mautrix-bridges.md) for details about setting up Double Puppeting.

docs/configuring-playbook-bridge-mautrix-gmessages.md

@@ -6,6 +6,8 @@ See the project's [documentation](https://docs.mau.fi/bridges/go/gmessages/index
 
 ## Prerequisite (optional)
 
+### Enable Appservice Double Puppet
+
 If you want to set up [Double Puppeting](https://docs.mau.fi/bridges/general/double-puppeting.html) (hint: you most likely do) for this bridge automatically, you need to have enabled [Appservice Double Puppet](configuring-playbook-appservice-double-puppet.md) for this playbook.
 
 See [this section](configuring-playbook-bridge-mautrix-bridges.md#set-up-double-puppeting-optional) on the [common guide for configuring mautrix bridges](configuring-playbook-bridge-mautrix-bridges.md) for details about setting up Double Puppeting.

docs/configuring-playbook-bridge-mautrix-googlechat.md

@@ -6,6 +6,8 @@ See the project's [documentation](https://docs.mau.fi/bridges/python/googlechat/
 
 ## Prerequisite (optional)
 
+### Enable Appservice Double Puppet or Shared Secret Auth
+
 If you want to set up [Double Puppeting](https://docs.mau.fi/bridges/general/double-puppeting.html) (hint: you most likely do) for this bridge automatically, you need to have enabled [Appservice Double Puppet](configuring-playbook-appservice-double-puppet.md) or [Shared Secret Auth](configuring-playbook-shared-secret-auth.md) service for this playbook.
 
 See [this section](configuring-playbook-bridge-mautrix-bridges.md#set-up-double-puppeting-optional) on the [common guide for configuring mautrix bridges](configuring-playbook-bridge-mautrix-bridges.md) for details about setting up Double Puppeting.

docs/configuring-playbook-bridge-mautrix-hangouts.md

@@ -8,6 +8,8 @@ See the project's [documentation](https://docs.mau.fi/bridges/python/hangouts/in
 
 ## Prerequisite (optional)
 
+### Enable Shared Secret Auth
+
 If you want to set up [Double Puppeting](https://docs.mau.fi/bridges/general/double-puppeting.html) (hint: you most likely do) for this bridge automatically, you need to have enabled [Shared Secret Auth](configuring-playbook-shared-secret-auth.md) for this playbook.
 
 See [this section](configuring-playbook-bridge-mautrix-bridges.md#set-up-double-puppeting-optional) on the [common guide for configuring mautrix bridges](configuring-playbook-bridge-mautrix-bridges.md) for details about setting up Double Puppeting.

docs/configuring-playbook-bridge-mautrix-whatsapp.md

@@ -6,6 +6,8 @@ See the project's [documentation](https://docs.mau.fi/bridges/go/whatsapp/index.
 
 ## Prerequisite (optional)
 
+### Enable Appservice Double Puppet or Shared Secret Auth
+
 If you want to set up [Double Puppeting](https://docs.mau.fi/bridges/general/double-puppeting.html) (hint: you most likely do) for this bridge automatically, you need to have enabled [Appservice Double Puppet](configuring-playbook-appservice-double-puppet.md) or [Shared Secret Auth](configuring-playbook-shared-secret-auth.md) service for this playbook.
 
 See [this section](configuring-playbook-bridge-mautrix-bridges.md#set-up-double-puppeting-optional) on the [common guide for configuring mautrix bridges](configuring-playbook-bridge-mautrix-bridges.md) for details about setting up Double Puppeting.