Improve readme and introduce markdown syntax

README → README.md

@@ -1,39 +1,43 @@
-pychromecastweb
+# pychromecastweb
 
 pychromecastweb is a web application that allows you to browse parts of
 the local filesystem and cast videos to a Chromecast.
 
 This is in a very rough state. To do something, follow the instructions
-below, go to /admin/, create a media source pointing to folders with
-media files, go back to /, browse and cast.
+below, go to `/admin/`, create a media source pointing to folders with
+media files, go back to `/`, browse and cast.
 
-You can also go to /admin/ to add Chromecasts manually, this is useful
+You can also go to `/admin/` to add Chromecasts manually, this is useful
 if you are running this on a wired network or the Chromecasts are in a
 different subnet.
 
-DEVELOPMENT
+## DEVELOPMENT
 
+```shell
 $ pipenv install --python 3.6 -e .[dev]
 $ pipenv run python manage.py migrate
 $ pipenv run python manage.py createsuperuser
 $ CAST_HOST=<ip of your host> pipenv run gunicorn -b 0.0.0.0:8000 pyccw.wsgi -w 4
+```
 
 Chromecasts seem to use Google's public DNS servers, so you need to
 specify which host should the Chromecast use to reach the embedded web
 server for media files.
 
-INSTALLATION
+## INSTALLATION
 
 This will install it under your user account:
 
+```shell
 $ pip3 install --user git+https://github.com/alexpdp7/pychromecastweb.git
 $ CAST_HOST=<ip of your host> django-admin migrate --settings pyccw.settings
 $ CAST_HOST=<ip of your host> django-admin createsuperuser --settings pyccw.settings
 $ gunicorn -b 0.0.0.0:8000 pyccw.wsgi -w 4
+```
 
-If ./.local/bin is not in your path, you might need to prepend it to the
+If `./.local/bin` is not in your path, you might need to prepend it to the
 gunicorn and django-admin commands
 
-CONFIGURATION
+## CONFIGURATION
 
-Use PYCCW_LOG_LEVEL=(DEBUG|...) to configure log levels.
+Use `PYCCW_LOG_LEVEL=(DEBUG|...)` to configure log levels.