Explicitly configure localhost network gas settings (#38)

Author: cgewecke

hardhat.config.ts

@@ -37,6 +37,8 @@ const config: HardhatUserConfig = {
     },
     localhost: {
       url: "http://127.0.0.1:8545",
+      gas: 12000000,
+      blockGasLimit: 12000000,
     },
     kovan: {
       url: "https://kovan.infura.io/v3/" + process.env.INFURA_TOKEN,
@@ -66,4 +68,4 @@ function getHardhatPrivateKeys() {
   });
 }
 
-export default config;
+export default config;