Added translation using Weblate (Russian)

Change-Id: Ic0b023f8042409cc09bc362768630789801a369a
diff --git a/res/values-ru/leaf_strings.xml b/res/values-ru/leaf_strings.xml
new file mode 100644
index 0000000..a6b3dae
--- /dev/null
+++ b/res/values-ru/leaf_strings.xml
@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources></resources>
\ No newline at end of file