Update docs

docs/administration/1_createusers.md

@@ -5,6 +5,8 @@ permalink: /administration/createusers
 nav_order: 1
 ---
 
+{% include deprecation.html %}
+
 # Creating user accounts
 
 User accounts can be created on a Dendrite instance in a number of ways.

docs/administration/2_registration.md

@@ -5,6 +5,8 @@ permalink: /administration/registration
 nav_order: 2
 ---
 
+{% include deprecation.html %}
+
 # Enabling registration
 
 Enabling registration allows users to register their own user accounts on your

docs/administration/3_presence.md

@@ -5,6 +5,8 @@ permalink: /administration/presence
 nav_order: 3
 ---
 
+{% include deprecation.html %}
+
 # Enabling presence
 
 Dendrite supports presence, which allows you to send your online/offline status

docs/administration/4_adminapi.md

@@ -5,6 +5,8 @@ nav_order: 4
 permalink: /administration/adminapi
 ---
 
+{% include deprecation.html %}
+
 # Supported admin APIs
 
 Dendrite supports, at present, a very small number of endpoints that allow

docs/administration/5_optimisation.md

@@ -6,6 +6,8 @@ nav_order: 5
 permalink: /administration/optimisation
 ---
 
+{% include deprecation.html %}
+
 # Optimise your installation
 
 Now that you have Dendrite running, the following tweaks will improve the reliability

docs/administration/6_troubleshooting.md

@@ -5,6 +5,8 @@ nav_order: 6
 permalink: /administration/troubleshooting
 ---
 
+{% include deprecation.html %}
+
 # Troubleshooting
 
 If your Dendrite installation is acting strangely, there are a few things you should