Merge pull request #106 from ardriveapp/PE-5941-upload-with-eth-sol

docs(upload): add eth/sol signer setup PE-5941

README.md

@@ -195,6 +195,20 @@ const signer = new ArweaveSigner(jwk);
 const turbo = TurboFactory.authenticated({ signer });
 ```
 
+or with ETH signer
+
+```typescript
+const signer = new EthereumSigner(privateKey);
+const turbo = TurboFactory.authenticated({ signer });
+```
+
+or with SOL signer
+
+```typescript
+const signer = new HexSolanaSigner(bs58.encode(secretKey));
+const turbo = TurboFactory.authenticated({ signer });
+```
+
 ### TurboUnauthenticatedClient
 
 #### `getSupportedCurrencies()`