mix format, document replacing index.html

docs/configuration/cheatsheet.md

@@ -1120,6 +1120,8 @@ If you wish masto-fe to also be enabled, you will also need to run the install t
 
 If you choose not to install a frontend for whatever reason, it is recommended that you enable [`:static_fe`](#static_fe) to allow remote users to click "view remote source". Don't bother with this if you've got no unauthenticated access though.
 
+You can also replace the default "no frontend" page by placing an `index.html` file under your `instance/static/` directory.
+
 ### Theme settings
 
 Settings to change theme as exposed to the outside world, for software

mix.exs

@@ -160,8 +160,7 @@ defp deps do
       {:timex, "~> 3.6"},
       {:ueberauth, "~> 0.4"},
       {:linkify,
-       git: "https://akkoma.dev/AkkomaGang/linkify.git",
-       branch: "bugfix/line-ending-buffer"},
+       git: "https://akkoma.dev/AkkomaGang/linkify.git", branch: "bugfix/line-ending-buffer"},
       {:http_signatures, "~> 0.1.1"},
       {:telemetry, "~> 0.3"},
       {:poolboy, "~> 1.5"},