Feature: add custom request header to proxy provider

`header` value is type of string array
header:
  Accept:
    - 'application/vnd.github.v3.raw'
  Authorization:
    - ' token xxxxxxxxxxx'
  User-Agent:
    - 'Clash/v1.10.6'

`prefix-name` add a prefix to proxy name
prefix-name: 'XXX-'

hub/route/configsGeo.go

@@ -49,14 +49,14 @@ func updateGeoDatabases(w http.ResponseWriter, r *http.Request) {
 			return
 		}
 
+		log.Warnln("[REST-API] update GEO databases successful, apply config...")
+
 		cfg, err := executor.ParseWithPath(constant.Path.Config())
 		if err != nil {
 			log.Errorln("[REST-API] update GEO databases failed: %v", err)
 			return
 		}
 
-		log.Warnln("[REST-API] update GEO databases successful, apply config...")
-
 		executor.ApplyConfig(cfg, false)
 	}()