add PR number / self link

Author: yusefnapora

proposals/ipfs-nft-tutorial.md

@@ -2,7 +2,7 @@
 
 Authors: @yusefnapora
 
-Initial PR: TBD 
+Initial PR: [#11](https://github.com/protocol/web3-dev-team/pull/11) 
 
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 This template is for a proposal/brief/pitch for a significant project to be undertaken by a Web3 Dev project team.