add missing event functions

(cherry picked from commit 9411544e6ca64e976aa1e29fbceb0b1e8813d6b0)

Author: popstarfreas

src/Net.res

@@ -243,6 +243,9 @@ module Socket = {
     ) => 'tcpSocket = "connect"
   }
   include Impl
+  include EventEmitter.Impl({
+      type t = t
+  })
 
   type makeOptions