split src/devices/input into src/devices/input/{raw,wrap}

src/device/input/raw/raw_test.go

@@ -0,0 +1,9 @@
+package raw
+
+import "testing"
+
+func TestRaw(t *testing.T) {
+	var _ Raw = &Random{}
+	var _ Raw = UDP{}
+	var _ Raw = Keyboard{}
+}