🏗 Added classes for songs, albums & artists.

This is going to be an ambitious project.

src/app/classes/album.spec.ts

@@ -0,0 +1,7 @@
+import { Album } from './album';
+
+describe('Album', () => {
+  it('should create an instance', () => {
+    expect(new Album()).toBeTruthy();
+  });
+});

src/app/classes/album.ts

@@ -0,0 +1,2 @@
+export class Album {
+}

src/app/classes/artist.spec.ts

@@ -0,0 +1,7 @@
+import { Artist } from './artist';
+
+describe('Artist', () => {
+  it('should create an instance', () => {
+    expect(new Artist()).toBeTruthy();
+  });
+});

src/app/classes/artist.ts

@@ -0,0 +1,2 @@
+export class Artist {
+}

src/app/classes/song.spec.ts

@@ -0,0 +1,7 @@
+import { Song } from './song';
+
+describe('Song', () => {
+  it('should create an instance', () => {
+    expect(new Song()).toBeTruthy();
+  });
+});

src/app/classes/song.ts

@@ -0,0 +1,2 @@
+export class Song {
+}