Fix the issues preventing to build (#257)

* Lock deps to fix build issues

* Upgrade some of the deps

* Upgrade to the latest polkadot util-crypto and stop reporting issues on the libs

* Remove buggy 'yarn check' and add prettifier check

frontend/tsconfig.json

@@ -21,8 +21,9 @@
     "strictNullChecks": true,
     "suppressImplicitAnyIndexErrors": true,
     "resolveJsonModule": true,
-    "noUnusedParameters": true
+    "noUnusedParameters": true,
+    "skipLibCheck": true
   },
   "exclude": ["node_modules", "build"],
-  "include": ["src/**/*.ts", "src/**/*.tsx", "./declarations/**/*.d.ts"]
+  "include": ["src/**/*.ts", "src/**/*.tsx", "declarations/**/*.d.ts"]
 }