readme docs

README.md

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+=======
 # TNLS
 This repository is an alpha implementation of the Snakepath Network and its underlying TNLS protocol, currently connecting the Eth Goerli testnet to the Secret Network pulsar-2 testnet.
 
 Docs (whih are relatively barebones atm but will be being improved over time) can be found at [our gitbook](https://fortress-labs.gitbook.io/snakepath/)
+
+## TNLS Architecture
+![TNLS Architecture](assets/tnls_architecture.png)
+
+## Ethereum Contracts
+
+You will need a copy of [Foundry](https://github.com/foundry-rs/foundry) installed before proceeding. See the [installation guide](https://github.com/foundry-rs/foundry#installation) for details.
+
+To build the contracts:
+
+```sh
+git clone https://github.com/Atbash-Labs/TNLS.git
+cd public-gateway
+forge install 
+```
+
+### Run Tests
+
+In order to run unit tests, run: 
+
+```sh
+forge test
+```