Add installation guides

README.md

@@ -6,6 +6,20 @@ We hope that wallets integrate the javascript, rust, or C repositories for both
 
 If you would like to get a grant to create PLUME applications or improve the library, we have grants available from Ethereum Foundation PSE and Gitcoin Grants, and would give grants for any PRs to the repository! There are projects ideas both below in the README, as well as bountied every issue in Github has a $50 bounty on it. Feel free to pick one up, and dm us on Twitter/Telegram (@yush_g) for guidance and help, or join the discussion in the public channel in the [PSE Discord](https://discord.gg/pse) for progress updates and community questions! This work was generously funded and supported by 0xPARC, Gitcoin donors, and EF PSE, and exists only due to the valuable work by contributors to this Github such as yush_g, Oren Yomtov, Richard Liu, Blake M Scurr, Piotr Roslaniec, Vu Voth, Weijie Koh, and Vivek Bhupatiraju who directly contributed to the code. Thanks to Poseidon Labs for a [V2 proposal](https://www.notion.so/PLUME-Discussion-6f4b7e7cf63e4e33976f6e697bf349ff) and Weiking Chen for his filed issues, and our auditors (0xbok), as well as all of the folks [acknowledged in the research paper](https://aayushg.com/thesis.pdf) and [blog post](https://blog.aayushg.com/posts/plume).
 
+## Installation
+
+To install our [npm package](https://www.npmjs.com/package/plume-sig) for JS/TS, do
+```
+yarn add plume-sig
+```
+
+To install our [Cargo package](https://crates.io/crates/plume_rustcrypto) for Rust, do
+```
+cargo add plume_rustcrypto
+```
+
+Docs and usage guides are linked to from the packages.
+
 ## Contributions
 
 If you'd like to contribute, we offer $50 bounties in Eth/DAI for resolving any of the bugs in our issues! Each of them is quite small. That includes 
@@ -26,6 +40,7 @@ If you'd like to contribute, we offer $50 bounties in Eth/DAI for resolving any
 - Metamask: We have an open PR set ([rpc](https://github.com/MetaMask/eth-json-rpc-middleware/pull/198
 ), [api](https://github.com/MetaMask/api-specs/pull/120), [core](https://github.com/MetaMask/metamask-extension/pull/17482)) that we are waiting on them to merge! Snaps [dropped support for secret key access](https://github.com/MetaMask/snaps/issues/1665) so a Metamask Snap is no longer a tenable path, although we did have a snap as well.
 - Aztec: WIP, pending implementation in Noir.
+- Ledger: 
 - ZK Snap: The "holy grail of private voting", according to Ameen, co-author of the private voting report. Uses PLUME as a [core component of an end-to-end private voting system](https://twitter.com/AeriusLabs/status/1753052458249785836).
 
 ### Audits