move to s6 overlay structure (#13)

* move to s6 overlay structure

* Use alpine:latest and latest s6

* cleanup Dockerfile

* use .env file on docker run

* change mappings so all under one folder

* Update README

* change cron default to hourly to keep things updated

* add section about editing xteve settings

* add nice 'logging' to stdout

sample.env

@@ -0,0 +1,44 @@
+##### Config
+
+### Set as same user on your machine, run id -u & id -g to get your user / group id
+PUID=1000
+PGID=1000
+
+### Xteve Config
+XTEVE_PORT=34400
+use_xTeveAPI=yes
+
+### Lazystream Config
+use_lazystream=yes
+include_nhl=yes
+include_mlb=yes
+
+### Guide2go Config
+use_guide2go=no
+
+## List of created lineup json files in /guide2go
+# Exmaple with 3 lineups
+JsonList="CBLguide.json SATguide.json SATSport.json"
+
+## to create your lineups run the below command and follow the on-screen instructions
+# docker exec -it <yourdockername> guide2go -configure /guide2go/<lineupnamehere>.json
+
+### Emby
+# Only necessary if xTeVe API is active
+# API Key, https://github.com/MediaBrowser/Emby/wiki/Api-Key-Authentication
+# embyID, settings, scroll down click API, Scheduled Task Service, GET /ScheduledTasks, Try, Execute, look for "Refresh Guide" ID, sample here 9492d30c70f7f1bec3757c9d0a4feb45
+use_embyAPI=no
+embyIP=
+embyPORT=8096
+embyApiKey=
+embyID=
+
+### Plex
+# Only necessary if xTeVe API is active
+# Finding your Plex token: https://support.plex.tv/articles/204059436-finding-an-authentication-token-x-plex-token/
+# Finding Plex ID: http://YOUR_IP_HERE:32400/?X-Plex-Token=YOUR_TOKEN_HERE , look for "tv.plex.providers.epg.xmltv:  " and enter the value blow.
+use_plexAPI=no
+plexIP=
+plexPORT=32400
+plexToken=
+plexID=