Enable skipLibCheck in tsconfig (#130)

Author: ybiquitous

tsconfig.json

@@ -15,7 +15,7 @@
 		"noUncheckedIndexedAccess": true,
 		"esModuleInterop": true,
 		"resolveJsonModule": true,
-		"skipLibCheck": false
+		"skipLibCheck": true
 	},
 	"include": ["src"],
 	"exclude": ["**/*.test.js"]