add elements to home page that can be used with login

internal/server/handlers.go

internal/server/web/partials/scripts.mustache

internal/server/web/partials/style.mustache

internal/server/web/sites/home.mustache

internal/server/web/sites/index.mustache

internal/server/web/static/css/mytoken-loggedin.css

internal/server/web/static/css/mytoken.css

internal/server/web/static/js/home-logged-in.js

internal/server/web/static/js/home-not-logged-in.js

internal/server/web/static/js/home.js

internal/server/web/static/js/logged-in-utils.js

internal/server/web/static/js/utils.js