improve: add rate model store on kovan (#126)

Signed-off-by: Matt Rice <matthewcrice32@gmail.com>

Author: mrice32

deploy/012_deploy_rate_model_store.ts

@@ -0,0 +1,19 @@
+// This import is needed to override the definition of the HardhatRuntimeEnvironment type.
+import "hardhat-deploy";
+import { HardhatRuntimeEnvironment } from "hardhat/types/runtime";
+
+const func = async function (hre: HardhatRuntimeEnvironment) {
+  const { deployments, getNamedAccounts } = hre;
+  const { deploy } = deployments;
+
+  const { deployer } = await getNamedAccounts();
+
+  await deploy("RateModelStore", {
+    from: deployer,
+    log: true,
+    skipIfAlreadyDeployed: true,
+  });
+};
+
+module.exports = func;
+func.tags = ["RateModelStore", "mainnet"];