Add Engram.social to list of projects (#378)

Hi I am one of the lead devs for Engram, a new NFT social media platform. We will be using ERC721-A for our genesis NFT collection.

projects.md

@@ -66,3 +66,4 @@ Here are a list of projects that have or will be implementing ERC721A as part of
 - [Edge Of Fusion 2D](https://www.edgeoffusion.com/) | [Etherscan](https://etherscan.io/address/0xBA0B93f3ef64be8cb1b239de248d94CA3657741a#code) | [Twitter](https://twitter.com/edgeoffusion)
 - [MEN F Tease](https://menftea.se/) | [Etherscan](https://etherscan.io/address/0xfe1f2b944e3d308581de33a37b1c22b582b0ff2c#code) | [Twitter](https://twitter.com/MenfTease)
 - [Huxley](https://huxleysaga.com/) | [Etherscan](https://etherscan.io/address/0xc65eF668114A1d0446F960Ac4cAa8c080eFAB786#code) | [Twitter](https://twitter.com/huxleysaga)
+- [Engram](https://engram.social/) | [Twitter](https://twitter.com/EngramSocial)