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.

test/music_library/records_test.exs

@@ -0,0 +1,69 @@
+defmodule MusicLibrary.RecordsTest do
+  use MusicLibrary.DataCase
+
+  alias MusicLibrary.Records
+
+  describe "records" do
+    alias MusicLibrary.Records.Record
+
+    import MusicLibrary.RecordsFixtures
+
+    @invalid_attrs %{type: nil, title: nil, image: nil, year: nil, musicbrainz_id: nil, genres: nil}
+
+    test "list_records/0 returns all records" do
+      record = record_fixture()
+      assert Records.list_records() == [record]
+    end
+
+    test "get_record!/1 returns the record with given id" do
+      record = record_fixture()
+      assert Records.get_record!(record.id) == record
+    end
+
+    test "create_record/1 with valid data creates a record" do
+      valid_attrs = %{type: :album, title: "some title", image: "some image", year: 42, musicbrainz_id: "7488a646-e31f-11e4-aace-600308960662", genres: ["option1", "option2"]}
+
+      assert {:ok, %Record{} = record} = Records.create_record(valid_attrs)
+      assert record.type == :album
+      assert record.title == "some title"
+      assert record.image == "some image"
+      assert record.year == 42
+      assert record.musicbrainz_id == "7488a646-e31f-11e4-aace-600308960662"
+      assert record.genres == ["option1", "option2"]
+    end
+
+    test "create_record/1 with invalid data returns error changeset" do
+      assert {:error, %Ecto.Changeset{}} = Records.create_record(@invalid_attrs)
+    end
+
+    test "update_record/2 with valid data updates the record" do
+      record = record_fixture()
+      update_attrs = %{type: :ep, title: "some updated title", image: "some updated image", year: 43, musicbrainz_id: "7488a646-e31f-11e4-aace-600308960668", genres: ["option1"]}
+
+      assert {:ok, %Record{} = record} = Records.update_record(record, update_attrs)
+      assert record.type == :ep
+      assert record.title == "some updated title"
+      assert record.image == "some updated image"
+      assert record.year == 43
+      assert record.musicbrainz_id == "7488a646-e31f-11e4-aace-600308960668"
+      assert record.genres == ["option1"]
+    end
+
+    test "update_record/2 with invalid data returns error changeset" do
+      record = record_fixture()
+      assert {:error, %Ecto.Changeset{}} = Records.update_record(record, @invalid_attrs)
+      assert record == Records.get_record!(record.id)
+    end
+
+    test "delete_record/1 deletes the record" do
+      record = record_fixture()
+      assert {:ok, %Record{}} = Records.delete_record(record)
+      assert_raise Ecto.NoResultsError, fn -> Records.get_record!(record.id) end
+    end
+
+    test "change_record/1 returns a record changeset" do
+      record = record_fixture()
+      assert %Ecto.Changeset{} = Records.change_record(record)
+    end
+  end
+end