docs: replace `var` with `const` (#465)
Replace `var` with `const` in the code example in README. `const` is better, and since `const` and `var` were mixed up, I unified them into `const`.
T
Tomoaki Abe committed
33b66742498e07bbaaaaf0815f8cf2899d86a583
Parent: 25f4821
Committed by GitHub <noreply@github.com>
on 7/16/2021, 8:01:13 AM