new FT test_theme for theme switcher functionality; theme-switcher content added to home.html, several dashboard views & urls, all appropriate ITs & UTs; lyric user model saves theme (migrations run); django-compressor and django-libsass libraries added to dependencies

src/apps/lyric/migrations/0003_user_theme.py

@@ -0,0 +1,18 @@
+# Generated by Django 6.0 on 2026-03-02 04:15
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('lyric', '0002_user_searchable_user_username'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='user',
+            name='theme',
+            field=models.CharField(default='theme-default', max_length=32),
+        ),
+    ]