Add note on Behavior RLP encoding

src/lib/utils/bx.ts

@@ -3,6 +3,8 @@ import type { BehaviorRequest } from '../EmcJsonRpcProvider';
 import { Signature, hexlify } from 'ethers';
 
 export function encodeBehavior(bx: BehaviorRequest): string {
+	// Set signature params (v,r,s) to 0 before signature
+	// https://medium.com/mycrypto/the-magic-of-digital-signatures-on-ethereum-98fe184dc9c7
 	let encoded = RLP.encode([bx.chainId, bx.quantity, bx.timestamp, bx.input, 0, 0]);
 	return hexlify(encoded);
 }