docs: add metamask and web3auth providers

README.md

@@ -2,7 +2,7 @@
 
 Nuxify's very own template for building decentralized apps (dApps) with Flutter and Dart.
 
-Interacts with a Greeter Smart Contract found here: https://goerli.etherscan.io/address/0x093eb7ccAfa165D8D35c6666984de510Be58cBd2
+Interacts with a Greeter Smart Contract found here: https://goerli.etherscan.io/address/0x093eb7ccAfa165D8D35c6666984de510Be58cBd2. Supports MetaMask and Web3Auth (Gmail) providers.
 
 Template architecture closely resembles our other Flutter template: https://github.com/Nuxify/flirt but this one is geared towards dApps.
 
@@ -12,6 +12,14 @@ Download the Sophon demo app from Google Play Store: https://play.google.com/sto
 
 Coming soon in Apple App Store.
 
+## MetaMask
+
+Download MetaMask mobile here: https://metamask.io/download/
+
+## Web3Auth
+
+Create a free account here: https://dashboard.web3auth.io/
+
 ## Build steps
 
 All these steps are assuming you're using VS Code as your editor.