Merge pull request #3 from meaghanfitzgerald/update-env

descriptive comment for vrf subscription

.env.example

@@ -2,7 +2,7 @@ c_chain_url="https://api.avax-test.network/ext/bc/C/rpc"
 c_chain_blockchain_id="7fc93d85c6d62c5b2ac0b519c87010ea5294012d1e407030d6acd0021cac10d5"
 c_chain_teleporter_registry_address="0xEeeAA8e0e25802A3748Cd7FbFA96b851E76DFF9b"
 c_chain_vrf_coordinator_address="0x2eD832Ba664535e5886b75D64C46EB9a228C2610"
-c_chain_vrf_subscription_id="1"
+c_chain_vrf_subscription_id="1" # head to https://vrf.chain.link/fuji to set up a free Chainlink VRF subscription 
 c_chain_vrf_key_hash="354d2f95da55398f44b7cff77da56283d9c6c829a4bdf1bbcaf2ad6a4d081f61"
 
 subnet_url="https://subnets.avax.network/dispatch/testnet/rpc"