fix: remove async from mutation and fix consistency in tsconfig.json

src/store/counter/mutations.ts

@@ -1,5 +1,7 @@
 import { counter } from "./loadCounter";
 
-export async function updateCount(state: any) {
-  state.count = await counter.count();
+export function updateCount(state: any) {
+  counter.count().then(count => {
+    state.count = count;
+  });
 }

tsconfig.json

@@ -51,6 +51,6 @@
     "./buidler.config.ts",
     "./node_modules/@nomiclabs/buidler-ethers/src/type-extensions.d.ts",
     "./node_modules/@nomiclabs/buidler-waffle/src/type-extensions.d.ts",
-    "node_modules/buidler-typechain/src/type-extensions.d.ts"
+    "./node_modules/buidler-typechain/src/type-extensions.d.ts"
   ]
 }