doc: updated README and added a (mit) LICENSE file

LICENSE

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+MIT License
+
+Copyright (c) 2019 Peter Evans
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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-# open-pod
+# OpenPod
+
+OpenPod è il tentativo di restituire al podcasting la dimensione libera e conviviale che lo caratterizza sin dai suoi esordi.
+
+Siamo tre amici che registrano, ascoltano, producono contenuti audio. Ci piacerebbe condividere soluzioni per farlo con hosting e software libero e gratuito, senza far ricorso ad account, profilazione, abbonamenti, pubblicità e monetizzazione.
+
+Com'è possibile? Combinando l'hosting di archive.org, i feed rss, un pizzico di codice e alcune buone pratiche per la produzione dei vostri contenuti. Perché? Per liberarci dalla logica prestazione e commerciale che caratterizza il business model dominante, anche nelle nuove forme di fruizione sonora ma specialmente per generare comunità. Un progetto aperto e abilitante, che punta a mettere a fattor comune saperi comunitari.
+
+Chi c'è? UAU POD, APE Podcast, Picchi di frequenza, Fuori fase..e tutte quanti vorranno condividere con noi l'avventura.
+
+## Usage
+
+In case of you have docker available on your server, you can run `Openpod` through a docker image:
+
+```bash
+docker run --rm \
+  -e SECRET_KEY_BASE='my-very-long-secret-key' \
+  -e APP_PORT=4000 \
+  -e APP_HOST='openpod.abbiamoundominio.org' \
+  -e APP_SCHEME=https \
+  -p 80:4000 \
+  openpod/open-pod:latest
+```
+
+After sever is started you can visit
+
+`$APP_SCHEME://$APP_HOST/podcast/$PODCASTNAME`,
+
+where $PODCASTNAME is the name of your item on archive.org, to get your podcast feed
+
+i.e. 'https://openpod.abbiamoundominio.org/podcast/uau-pod'
+
+#### Required environment variables
+
+- `SECRET_KEY_BASE` - A secret key used as a base to generate secrets for encrypting and signing data. For example, cookies and tokens are signed by default, but they may also be encrypted if desired.
+- `APP_PORT` - The tcp port on which the webserver will listen (i.e. 4000)
+- `APP_HOST` - The http host configured to access this application (i.e. 'openpod.abbiamoundominio.org')
+- `APP_SCHEME` - The http scheme to access this application (`http` | `https`)
+
+
+## License
+
+[MIT](LICENSE)