add vpn-hole in README

README.md

@@ -4,6 +4,7 @@ This repository contains all golang dependencies currently used in Bitmask Andro
 * shapeshifter: a library, based on shapeshifter-dispatcher for VPN communication over obfs4
 * IPtProxy: a library wrapping snowflake client and snowflake proxy, forked from https://github.com/tladesignz/IPtProxy and adapted for our purposes
 * pgpverify: a small library for verifying the inegrity of downloaded app updates (only used in apks distributed from a website)
+* Vpn-Hole: a library for blocking unwanted content like ads, trackers and malwares at DNS Level.
 * shared code between Bitmask Desktop and Mobile clients **(tbd.)**
 
 Run the follwing command to build Bitmask Core for all Android build flavors (runs currently only on Linux 64-bit distros):