Include index.html in the install and install npm modules

.laminar/after

@@ -5,7 +5,7 @@
 #   - $SV_WEB: runsvdir of webapp services
 
 app=muse
-files="static muse covers admin"
+files="static muse covers admin index.html"
 services="muse muse-covers"
 
 set -- $services
@@ -14,4 +14,5 @@ mkdir -p ${WEBAPPS}/$app
 sv stop $(printf "${SV_WEB}/%s\n" $@)
 rm -vr ${WEBAPPS}/$app/*
 cp -vr ${files} ${WEBAPPS}/$app/
+( cd ${WEBAPPS}/$app/covers && npm update )
 sv start $(printf "${SV_WEB}/%s\n" $@)