Merge pull request #70 from Artanicus/patch-1

Update Readme.md with WTTR_LISTEN_*

README.md

@@ -107,9 +107,11 @@ The `City` parameter in `~/.wegorc` is ignored.
 Configure the following environment variables specifing the path to the local `wttr.in`
 installation, to the GeoLite database and to the `wego` installation. For example:
 
-    WTTR_MYDIR = "/home/igor/wttr.in"
-    WTTR_GEOLITE = "/home/igor/wttr.in/GeoLite2-City.mmdb"
-    WTTR_WEGO = "/home/igor/go/bin/wego"
+    export WTTR_MYDIR="/home/igor/wttr.in"
+    export WTTR_GEOLITE="/home/igor/wttr.in/GeoLite2-City.mmdb"
+    export WTTR_WEGO="/home/igor/go/bin/wego"
+    export WTTR_LISTEN_HOST="0.0.0.0"
+    export WTTR_LISTEN_PORT="8002"
 
 
 ### Configure HTTP-frontend service