docs: show mix tasks in docs and update task description

documentation/tutorials/get-started.md

@@ -12,7 +12,7 @@ add authentication to your resources and APIs.
 #### Install the extension
 
 ```sh
-mix igniter.install ash_authentication
+mix igniter.install ash_authentication --auth-strategy magic_link,password
 ```
 
 ##### Using Phoenix?
@@ -21,12 +21,9 @@ Use the following. If you have not yet run the above command, this will prompt y
 so you can run both or only this one.
 
 ```sh
-mix igniter.install ash_authentication_phoenix
+mix igniter.install ash_authentication_phoenix --auth-strategy magic_link,password
 ```
 
-There is not a task(yet) for configuring the strategies and add-ons that you use.
-So continue on below and select your strategies/add-ons and set them up manually.
-
 ### Manual
 
 #### Add to your application's dependencies

mix.exs

@@ -124,7 +124,10 @@ defmodule AshAuthentication.MixProject do
           """
         end
       end,
-      filter_modules: ~r/^Elixir.AshAuthentication/,
+      filter_modules: fn mod, _ ->
+        String.starts_with?(inspect(mod), "AshAuthentication") ||
+          String.starts_with?(inspect(mod), "Mix.Task")
+      end,
       source_url_pattern:
         "https://github.com/team-alembic/ash_authentication/blob/main/%{path}#L%{line}",
       groups_for_modules: [