add URL base option for subfolder proxies

also cleaned up the naming of some things.

pwreset.go

@@ -34,7 +34,8 @@ func (app *appContext) StartPWR() {
 	<-done
 }
 
-type Pwr struct {
+// PasswordReset represents a passwordreset-xyz.json file generated by Jellyfin.
+type PasswordReset struct {
 	Pin      string    `json:"Pin"`
 	Username string    `json:"UserName"`
 	Expiry   time.Time `json:"ExpirationDate"`
@@ -48,7 +49,7 @@ func pwrMonitor(app *appContext, watcher *fsnotify.Watcher) {
 				return
 			}
 			if event.Op&fsnotify.Write == fsnotify.Write && strings.Contains(event.Name, "passwordreset") {
-				var pwr Pwr
+				var pwr PasswordReset
 				data, err := ioutil.ReadFile(event.Name)
 				if err != nil {
 					return