Add README

README.rst

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+===============
+WIAI Soundboard
+===============
+
+Requirements
+============
+
+- Raspberry Pi
+- omxplayer (should be preinstalled on Raspbian)
+- Python 3.4
+- youtube-dl
+- espeak
+
+. code::
+
+  apt install espeak omxplayer python3.4 python3-pip
+  pip3 install virtualenv youtube-dl
+
+It is highly recommended to install the soundboard and its dependencies into a virtual environment to keep the system clean. To do so first create a new virtual environment in the desired folder and install the remaining Python dependencies via the `pip` of the virtualenv:
+
+. code::
+
+  virtualenv py
+  py/bin/pip install -r requirements.txt
+
+Apache
+------
+
+It is also recommended to use Apache instead of the Python Flask web server.
+
+. code::
+
+  apt install apache2 libapache2-mod-wsgi-py3
+
+Installation
+============
+
+The web server user (e.g. `www-data`) must be in the `audio` and `video` groups. You can add them via `usermod -a -G audio,video www-data`.
+
+Also the file `/dev/vchiq` should be writeable by the web user (e.g. `www-data`). A quick & dirty way is to use :code:`chmod +rw` on the file.
+
+For installation of the soundboard simply check out the repository and see the doplyment chapter on how to deploy it.
+
+Deployment
+==========
+
+Development/Debugging
+---------------------
+
+For development and debugging the internal web server of Flask can be used e.g. by running following command inside the project folder:
+
+. code::
+
+  FLASK_DEBUG=1 FLASK_APP=soundboard.py py/bin/flask run --host=0.0.0.0
+
+Production
+----------
+
+For production deployment Apache (or other webservers like nginx, lighttpd etc.) should be used.
+
+For Apache a sample configuration is provided in the folder `apache` which can be adapted.