add mine script for localhost (instead of tick)

Author: Ho

scripts/mine.ts

@@ -0,0 +1,15 @@
+import * as hre from "hardhat";
+
+async function main() {
+
+    await hre.network.provider.send("evm_mine", []);
+
+}
+
+
+main()
+  .then(() => process.exit(0))
+  .catch(error => {
+    console.error(error);
+    process.exit(1);
+  });