Merge pull request #66 from scala/presip-thread

Add pre-SIP thread link to the SIP template

Author: anatoliykmetyuk

sip-template.md

@@ -3,6 +3,7 @@ layout: sip
 permalink: /sips/:title.html
 stage: implementation
 status: waiting-for-implementation
+presip-thread: https://contributors.scala-lang.org/t/pre-sip-foo-bar/9999
 title: SIP-NN - Title of the Proposal
 ---