Describe the bug
Checkout button doesn't redirect to checkout page

To Reproduce
Steps to reproduce the behavior:

1. Select product
2. Select variations
3. Click in checkout button
4. Redirect to homepage

Expected behavior
Redirect to ckeckout page

Screenshots
If applicable, add screenshots to help explain your problem.

**Smartphone (please complete the following

Currently user has to click add then click name to enter.
Most users want to enter text fast so focusing on name seems like good improvement.
Especially as empty(null) title are not allowed.

expo/expo#1765

Size limit for a value is 2048 bytes. An attempt to store larger values may fail. Currently, we print a warning when the limit is reached, but we will throw an error starting from SDK 35.

https://docs.expo.io/versions/latest/sdk/securestore/

switch from button + onClick to <Link to="...">...</Link>