Update README with options

main.sh

@@ -6,6 +6,7 @@ Priority=${PLUGIN_PRIORITY:-}
 Title=${PLUGIN_TITLE:-}
 Tags=${PLUGIN_TAGS:-}
 Click=${PLUGIN_CLICK:-}
+
 Attach=${PLUGIN_ATTACH:-}
 Icon=${PLUGIN_ICON:-}
 
@@ -32,13 +33,5 @@ if [[ ! -z $Click ]]; then
     Click="-H Click:$Click"
 fi
 
-if [[ ! -z $Attach ]]; then
-    Attach="-H Attach:$Attach"
-fi
-
-if [[ ! -z $Icon ]]; then
-    Icon="-H Icon:$Icon"
-fi
-
-curl $Priority $Title $Tags $Click $Attach $Icon -u $Username:$Password -d "$Message" $URL/$Topic
-#curl $Priority $Title $Tags $Click $Attach $Icon -u $Username:$Password -d "$Message" $URL/$Topic
+curl $Priority $Title $Tags $Click -u $Username:$Password -d "$Message" $URL/$Topic
+#echo curl $Priority $Title $Tags $Click -u $Username:$Password -d "$Message" $URL/$Topic