Migrate to Docusaurus (#108)

* migrate to Docusaurus framework

docs/publications.md

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+# Publications
+
+## Papers
+
+- [Waku: A Family of Modular P2P Protocols For Secure & Censorship-Resistant Communication](https://arxiv.org/abs/2207.00038) (demo)
+
+- [WAKU-RLN-RELAY: Privacy-Preserving Peer-to-Peer Economic Spam Protection](https://arxiv.org/pdf/2207.00117.pdf) (full)
+
+- [Privacy-Preserving Spam-Protected Gossip-Based Routing](https://arxiv.org/abs/2207.00116) (poster)
+
+
+## Write-ups
+
+See [write-ups](/research).