Update readme

README.md

 # scripts
+
+This repository contains example scripts in JS for xx network basic interactions.
+
+### localnet
+This directory includes a makefile and binaries to run a single-node local xx network blockchain in dev mode.
+
+In order to download the binaries, git lfs is used.
+Refer to  https://git-lfs.github.com/ in order to install this tool.
+
+You can run the local network using the Makefile:
+ ```
+cd localnet
+make run
+ ```
+
+To stop the network, simply do `make stop`.
+
+### walletgen
+This directory contains a script with an example of how to generate an xx network Sleeve wallet.
+It uses golang code compile to WASM to generate the quantum-secure wallet, and
+`@polkadot/keyring` to create a standard xx network wallet from the Sleeve's output mnemonic.
+
+### address-validation
+This directory contains a script with address validation logic for xx network.
+It has examples of valid and invalid xx network addresses,
+and valid addresses on other networks, which are invalid in xx network.
+
+### get-transfers
+This directory contains a script with logic to detect a transfer starting from a specified address.
+
+In order to run this script, first start the local network as described above.
+
+### transactions
+This directory contains a script with an example of an extrinsic (transaction) being created,
+signed and submitted to the local network.
+The transaction is a transfer from Alice to Bob, 2 dev accounts included in the dev network.
+
+In order to run this script, first start the local network as described above.