- 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/layout/fragment_gridview.xml

@@ -0,0 +1,9 @@
+<com.github.ksoichiro.android.observablescrollview.ObservableGridView
+    android:id="@+id/scroll"
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:clipToPadding="false"
+    android:divider="@null"
+    android:dividerHeight="0dp"
+    android:scrollbars="none"/>