Generate schema and live_view scaffold for records

1. Records are not yet tied to artists
2. The generated edit route, along with related functionality, may be
   deleted as I don't think it's gonna be needed. Leaving it included in
   the commit for reference.

lib/music_library/records/record.ex

@@ -0,0 +1,24 @@
+defmodule MusicLibrary.Records.Record do
+  use Ecto.Schema
+  import Ecto.Changeset
+
+  @primary_key {:id, :binary_id, autogenerate: true}
+  @foreign_key_type :binary_id
+  schema "records" do
+    field :type, Ecto.Enum, values: [:album, :ep, :live, :compilation, :single, :other]
+    field :title, :string
+    field :image, :string
+    field :year, :integer
+    field :musicbrainz_id, Ecto.UUID
+    field :genres, {:array, :string}
+
+    timestamps(type: :utc_datetime)
+  end
+
+  @doc false
+  def changeset(record, attrs) do
+    record
+    |> cast(attrs, [:type, :title, :musicbrainz_id, :year, :genres, :image])
+    |> validate_required([:type, :title, :musicbrainz_id, :year, :genres, :image])
+  end
+end