fix: small readme and removed unnecessary dependencies

Author: arthurvinci

README.md

@@ -1 +1,5 @@
-# typescript-toolkit
+# Typescript toolkit
+This repository provides various tools for your Typescript project, including:
+- A `GatewayProcessor` that works as a simple interface to the Gateway;
+- A `ManifestBuilder` to easily create string manifests;
+- A `WalletInteractor` to simplify interactions with the user's wallet