update readme with ed25519 Musig2 functionality

Author: rdubois-crypto

README.md

@@ -47,7 +47,7 @@ The following work has been half-funded by the Ethereum Fundation grant number F
  * ed25519 solidity (libSCL_RIP6565.sol )
  * Formal Verification is hosted on [Formal Land](https://github.com/formal-land/coq-of-solidity/tree/guillaume-claret%40experiments-verification-mulmuladdX_fullgen_b4/coq/CoqOfSolidity/contracts/scl/mulmuladdX_fullgen_b4) repo. 
  * libMPC
-   - SCL_Musig2.mjs 
+   - SCL_Musig2.mjs over secp256K1 and ed25519.
 
 SCL is build by the same team of the previous FCL. 
 

src/libMPC/README.md

@@ -26,7 +26,7 @@ The SmoothMPCLib consists in two parts:
 |--------:|---------|:--:|:----|:----|
 | Onchain Verifier | OK   | main  |   | libSCL_BIP327.sol |
 | Musig2-secp256k1 | OK   | main  |   | bip327.mjs/SCL_Musig2.mjs |
-| Musig2-ed25519 | TBD   | -  |   |  |
+| Musig2-ed25519 | OK   | main  |   |  SCL_Musig2.mjs|
 | Atomic Swaps | In progress   | -  | | SCL_atomic_swaps.mjs |
 | Frost|     TBD    | - |  |         |
 |
@@ -58,10 +58,10 @@ We use BIP327 with no tweak.
 Prior to any use, an object of type SCL_Musig2 must be initialized with one of the supported curve.
 
 ```
-    const curve = 'secp256k1';
+    const curve = 'secp256k1'; 
     const signer = new SCL_Musig2(curve);
 ```
-
+curve can also be configured to 'ed25519'.
 
 ### Key generation and aggregation