ipn: add AdvertisesExitNode and AdminPageURL accessors to PrefsView

Signed-off-by: Maisem Ali <maisem@tailscale.com>

ipn/prefs.go

@@ -476,6 +476,9 @@ func (p *Prefs) ControlURLOrDefault() string {
 	return DefaultControlURL
 }
 
+// AdminPageURL returns the admin web site URL for the current ControlURL.
+func (p PrefsView) AdminPageURL() string { return p.ж.AdminPageURL() }
+
 // AdminPageURL returns the admin web site URL for the current ControlURL.
 func (p *Prefs) AdminPageURL() string {
 	url := p.ControlURLOrDefault()
@@ -486,6 +489,10 @@ func (p *Prefs) AdminPageURL() string {
 	return url + "/admin/machines"
 }
 
+// AdvertisesExitNode reports whether p is advertising both the v4 and
+// v6 /0 exit node routes.
+func (p PrefsView) AdvertisesExitNode() bool { return p.ж.AdvertisesExitNode() }
+
 // AdvertisesExitNode reports whether p is advertising both the v4 and
 // v6 /0 exit node routes.
 func (p *Prefs) AdvertisesExitNode() bool {