- git (re)init (git structure was corrupted)

- added shuffler and repeat mode
- xxxhdpi icons
- typos
- new styles
- not fully working playing queue [alpha]

app/src/main/res/drawable/navigation_drawer_gradient.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+       android:shape="rectangle">
+    <gradient
+        android:angle="90"
+        android:endColor="#00000000"
+        android:startColor="#50000000"
+        android:type="linear"/>
+</shape>