Update README.md

Author: michael-spengler

README.md

@@ -4,6 +4,10 @@ Thanks to [ntrotner](https://github.com/ntrotner) and thanks to the hints we hav
 
 With this module you can connect your TypeScript in Deno program with the Ethereum Blockchain.  
 
+The detailed documentation can be found [here](https://web3js.readthedocs.io/). In case you need to use nodejs instead of deno, check the [web3 npm library](https://www.npmjs.com/package/web3). Some of you might also use the [ethers library](https://www.npmjs.com/package/ethers) as an alternative.  
+
+In some months from now (writing this early 2022) it might be possible just to import such dependencies via https://www.skypack.dev.   
+
 
 ## Usage Example