Read log level from configuration and update readme

- Break out reading of settings in js and remove it from shell scripts
- Pick up config from Logger via Configuration class

plejd/rootfs/usr/bin/plejd.sh

@@ -1,33 +1,4 @@
 #!/usr/bin/with-contenv bashio
 
-CONFIG_PATH=/data/options.json
-
-SITE=$(jq --raw-output ".site" $CONFIG_PATH)
-USERNAME=$(jq --raw-output ".username" $CONFIG_PATH)
-PASSWORD=$(jq --raw-output ".password" $CONFIG_PATH)
-MQTTBROKER=$(jq --raw-output ".mqttBroker" $CONFIG_PATH)
-MQTTUSERNAME=$(jq --raw-output ".mqttUsername" $CONFIG_PATH)
-MQTTPASSWORD=$(jq --raw-output ".mqttPassword" $CONFIG_PATH)
-INCLUDEROOMSASLIGHTS=$(jq --raw-output ".includeRoomsAsLights" $CONFIG_PATH)
-CONNECTIONTIMEOUT=$(jq --raw-output ".connectionTimeout" $CONFIG_PATH)
-WRITEQUEUEWAITTIME=$(jq --raw-output ".writeQueueWaitTime" $CONFIG_PATH)
-
-PLEJD_PATH=/data/plejd.json
-PLEJD_CONFIG="{
-  \"site\": \"$SITE\",
-  \"username\": \"$USERNAME\",
-  \"password\": \"$PASSWORD\",
-  \"mqttBroker\": \"$MQTTBROKER\",
-  \"mqttUsername\": \"$MQTTUSERNAME\",
-  \"mqttPassword\": \"$MQTTPASSWORD\",
-  \"includeRoomsAsLights\": \"$INCLUDEROOMSASLIGHTS\",
-  \"connectionTimeout\": \"$CONNECTIONTIMEOUT\",
-  \"writeQueueWaitTime\": \"$WRITEQUEUEWAITTIME\"
-}
-"
-
-bashio::log.info 'Wrote plejd.json'
-echo "$PLEJD_CONFIG" > $PLEJD_PATH
- 
 bashio::log.info 'Running add-on'
-exec node /plejd/main.js
+exec node /plejd/main.js