Add PDD config and badge

Author: frou

.0pdd.yml

@@ -0,0 +1,9 @@
+errors:
+  - duncan@holm.scot
+format:
+  - short-title
+  - title-length=100
+alerts:
+  suppress:
+    - on-found-puzzle
+    - on-scope

README.md

@@ -1,6 +1,7 @@
 [![Build Status](https://travis-ci.org/frou/yt2pod.svg?branch=master)](https://travis-ci.org/frou/yt2pod)
 [![GoDoc](https://godoc.org/github.com/frou/yt2pod?status.svg)](https://godoc.org/github.com/frou/yt2pod)
 [![Go Report Card](https://goreportcard.com/badge/github.com/frou/yt2pod)](https://goreportcard.com/report/github.com/frou/yt2pod)
+[![PDD status](http://www.0pdd.com/svg?name=frou/yt2pod)](http://www.0pdd.com/p?name=frou/yt2pod)
 
 [yt2pod] is a daemon that monitors YouTube channels and publishes audio
 podcasts of them.