Update README.md

Added grain relay implementation and badger badge client.

README.md

@@ -54,6 +54,7 @@ of the public instances.
 - [Ditto](https://github.com/soapbox-pub/ditto)![stars](https://img.shields.io/github/stars/soapbox-pub/ditto.svg?style=social) - Mastadon server and Nostr relay in one
 - [Ephemerelay](https://gitlab.com/soapbox-pub/ephemerelay)![stars](https://img.shields.io/gitlab/stars/soapbox-pub/ephemerelay.svg?style=social) - An in-memory Nostr relay that doesn't store data.
 - [gnost-relay](https://github.com/barkyq/gnost-relay) ![stars](https://img.shields.io/github/stars/barkyq/gnost-relay.svg?style=social) - nostr relay written in go backed by postgresql database.
+- [grain](https://github.com/0ceanslim/grain)![stars](https://img.shields.io/github/stars/0ceanslim/grain.svg?style=social) - A highly configurable, multipurpose relay written in Go, Storing Events in a MongoDB
 - [immortal](https://github.com/dezh-tech/immortal) - A relay designed for scale, performance, correctness, and configuration.
 - [knostr](https://github.com/lpicanco/knostr)![stars](https://img.shields.io/github/stars/lpicanco/knostr.svg?style=social) - a nostr relay implemented in Kotlin with support for Postgres and metrics(micrometer).
 - [me.untethr.nostr-relay](https://github.com/atdixon/me.untethr.nostr-relay)![stars](https://img.shields.io/github/stars/atdixon/me.untethr.nostr-relay.svg?style=social) - a relay written in Clojure
@@ -111,6 +112,7 @@ Websites with lists of relays and their performance/health:
   - [astral.ninja](https://astral.ninja/)
   - [client.nostr.guide](https://client.nostr.guide/)
 - [Attached](https://github.com/dyegolara/nostr-attached)![stars](https://img.shields.io/github/stars/dyegolara/nostr-attached.svg?style=social) - Open-Source ReactNative Expo app for Nostr (iOS, Android). Currently under app store review
+- [badger](https://github.com/0ceanslim/badger)![stars](https://img.shields.io/github/stars/0ceanslim/badger.svg?style=social) - A NIP58 nostr badge client. Create Badges view Profile Badges and more. 
 - [Beagle](https://0xli.github.io/beagle.chat/)![stars](https://img.shields.io/github/stars/0xli/beagle.chat.svg?style=social) - Decentralized real-time Text/Audio/Video chat client for iOS, using nostr relays for users to share information and moments by posts of text, image and video.
 - [BlazeJump](https://github.com/objectwizard/BlazeJump)![stars](https://img.shields.io/github/stars/objectwizard/BlazeJump.svg?style=social) - A fast web client boilerplate written in C# / Blazor, that uses an in-browser SQLite database.
 - [Blockcore Notes](https://github.com/block-core/blockcore-notes) ![stars](https://img.shields.io/github/stars/block-core/blockcore-notes.svg?style=social) - Progressive Web App that can be installed on mobile and desktop, organize following in circles and have both public and private following lists. Dynamic interface for different uses, such as optimized for photograph viewing