Added docker support

app/external/pytaw/README.md

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+# PYTAW: Python YouTube API Wrapper
+
+###Note
+This library is copied from [https://github.com/chibicitiberiu/pytaw/tree/improvements](https://github.com/chibicitiberiu/pytaw/tree/improvements).
+
+
+```python
+>>> from pytaw import YouTube
+>>> youtube = YouTube(key='your_api_key')
+>>> video = youtube.video('4vuW6tQ0218')
+>>> video.title
+'Monty Python - Dead Parrot'
+>>> video.published_at
+datetime.datetime(2007, 2, 14, 13, 55, 51, tzinfo=tzutc())
+>>> channel = video.channel
+>>> channel.title
+'Chadner'
+>>> search = youtube.search(q='monty python')
+>>> search[0]
+<Channel UCGm3CO6LPcN-Y7HIuyE0Rew "Monty Python">
+>>> for r in search[:5]:
+...     print(r)
+...     
+Monty Python
+Chemist Sketch - Monty Python's Flying Circus
+A Selection of Sketches from "Monty Python's Flying Circus" - #4
+Monty Python - Dead Parrot
+Monty Python And the holy grail
+```