Add Codex vault and Codex SDK

README.md

@@ -4,4 +4,6 @@ Repo of community-driven Codex projects
 | Name (link)| Description |
 | ----- | ------ |
 | [ethCC demo](https://github.com/codex-storage/ethcc-demo) | Shows storage requests as they are created on the testnet (or locally, depending on config), and assuming the dataset is an image, displays the image |
-| [Qaku](https://github.com/vpavlin/qaku) | [Qaku.app](https://qaku.app) is a Q&A app (like Slido, but decentralized), leaning on Codex for persistency of the Q&As. Codex REST API is used via codex-js in the [frontend](https://github.com/vpavlin/qaku) and from Go in the [backend](https://github.com/vpavlin/qaku-cache)  |
+| [Codex Vault](https://github.com/codex-storage/codex-marketplace-ui) | Web application featuring an attractive user interface for interacting with Codex on the testnet (or locally with limited functionality).  |
+| [Codex SDK](https://github.com/codex-storage/codex-js) | JavaScript SDK that allows developers to build web applications on top of Codex.  |
+| [Qaku](https://github.com/vpavlin/qaku) | [Qaku.app](https://qaku.app) is a Q&A app (like Slido, but decentralized), leaning on Codex for persistency of the Q&As. Codex REST API is used via codex-js in the [frontend](https://github.com/vpavlin/qaku) and from Go in the [backend](https://github.com/vpavlin/qaku-cache)  |