[Enhancement] Allow setting preference for video/audio codec (#255)

* [WIP] started on codec parser

* Added codec preferences to settings model

* [WIP] added basic codec preference fields to settings form

* Hooked up the backend portion of the codec preference work

* Added codec settings to frontend

* Ensured you can remove codec data

priv/repo/migrations/20240521193719_add_codec_preferences_to_settings.exs

@@ -0,0 +1,10 @@
+defmodule Pinchflat.Repo.Migrations.AddCodecPreferencesToSettings do
+  use Ecto.Migration
+
+  def change do
+    alter table(:settings) do
+      add :video_codec_preference, {:array, :string}, default: []
+      add :audio_codec_preference, {:array, :string}, default: []
+    end
+  end
+end