feat: add contract deployment addresses

docs/index.md

@@ -1,6 +1,6 @@
 # Token² Curated Registry
 
-The Kleros-powered token curated list of tokens.
+The Kleros-powered [token curated list of tokens](https://tokens.kleros.io).
 
 ## Quick Start
 
@@ -13,3 +13,15 @@ On the example above, we make use of a view contract (a contract that does not h
 
 The ERC20 standard however, **does not** require that token contracts implement the `decimals()` function. In these cases (like the DGD token), the view contract of the example will return the field with the value `0` and so you must take special care if you want to use this.
 
+## Deployed Contracts
+
+### Mainnet
+[T²CR Contract](https://etherscan.io/address/0xebcf3bca271b26ae4b162ba560e243055af0e679#contracts)
+[Ethfinex Listing Badge](https://etherscan.io/address/0x916deab80dfbc7030277047cd18b233b3ce5b4ab#contracts)
+[ERC20 Standard Badge](https://etherscan.io/address/0xcb4aae35333193232421e86cd2e9b6c91f3b125f#contracts)
+[View Contract](https://etherscan.io/address/0xdc06b2e32399d3db41e69da4d112cf85dde4103f#code)
+
+### Kovan
+[T²CR Contract](https://kovan.etherscan.io/address/0x25dd2659a1430cdbd678615c7409164ae486c146#code)
+[Ethfinex Listing Badge](https://kovan.etherscan.io/address/0x78895ec026aeff2db73bc30e623c39e1c69b1386#contracts)
+[ERC20 Standard Badge](https://kovan.etherscan.io/address/0xd58bdd286e8155b6223e2a62932ae3e0a9a75759#contracts)