added grants page

GRANTS.md

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+**Hylé** has a grant program supporting developers who want to build with, or contribute to, Hylé.
+
+Please contact us [through this form]() if you're interested in developing one of the ideas below, or if you have your own original idea!
+
+## What are our grants like?
+
+- You apply with an original idea or an idea from the list below. 
+- You meet regularly with our CEO to talk about your idea; you have full support, on Telegram and during meetings, from our tech team.
+- We fund your project. You get some money upfront, so you can build without financial worries, and the rest upon completion of the project.
+- Our head of content helps you showcase your idea through external speaking opportunities, comarketing, and other assets.
+
+For questions, reach out [in our Telegram group](https://t.me/hyle_org).
+
+## A few ideas…
+
+The list below is generic and does not guarantee grant eligibility. It's here to inspire you; your original ideas are very welcome!
+
+### Apps
+
+- Private voting for DAOs
+- Proof of purchase for authentic reviews
+- Farcaster frame that allows for voting using user signature
+- Proof of employment, education, hackathon… for professional « speed dating » at a conference − your identity is only revealed if you accept the match
+- Proof of financial viability for nonprofit organizations
+
+### Utilities
+
+- Proof that you've met someone (using Cursive's NFC cards, for instance?)
+- Proof of having been somewhere (putting an NFC chip in a physical place, for instance?)
+- Build a zk-rollup on top of Hylé???
+- Verify ECDSA (secp384r1) signatures natively on Hylé
+
+Please contact us [through this form]() if you're interested in developing one of the ideas above, or if you have your own original idea!
+
+## Our grantees
+
+### Apps
+
+- Matteo for a [provable play-by-email games engine](https://github.com/MatteoMer/provable-email-game-engine)
+
+### Utilities
+
+- Rute for Proof of residency