Add Tailscale (#1627)

add Tailscale

Author: blue-1ms

README.md

@@ -909,6 +909,7 @@ Any comments, suggestions? [Let us know!](https://github.com/jaywcjlove/awesome-
 * [Tunnelbear](https://www.tunnelbear.com) - Really simple VPN to browse the web privately & securely. Unblock websites around the world with applications for Mac, PC, iOS, Android & Chrome.
 * [Tunnelblick](https://tunnelblick.net/downloads.html) - Free, open-source graphic user interface for OpenVPN on OS X. ![Freeware][Freeware Icon]
 * [Windscribe](https://windscribe.com) - Gives 10GB free bandwidth monthly on the spot and gives limited server location options (for users on free plan). Connection also takes very less time.
+* [Tailscale](https://tailscale.com/) - Tailscale makes creating software-defined networks easy: securely connecting users, services, and devices.
 
 ## Utilities