Servers updater (#232)

* Support for all VPN providers
* Update all VPN providers servers information
* Remove old tooling binaries

internal/updater/options.go

@@ -1,9 +1,16 @@
 package updater
 
 type Options struct {
-	PIA     bool
-	PIAold  bool
-	Mullvad bool
-	File    bool // update JSON file (user side)
-	Stdout  bool // update constants file (maintainer side)
+	Cyberghost bool
+	Mullvad    bool
+	Nordvpn    bool
+	PIA        bool
+	PIAold     bool
+	Purevpn    bool
+	Surfshark  bool
+	Vyprvpn    bool
+	Windscribe bool
+	File       bool // update JSON file (user side)
+	Stdout     bool // update constants file (maintainer side)
+	DNSAddress string
 }