feat: make the cache adjustable through the visit object

[hirasso]

Description

Allows to adjust the cache for form submissions:

swup.hooks.on("visit:start", (visit) => {
  if (visit.trigger.el?.matches('.my-filter-form')) {
    visit.cache.read = true;
  }
});

or simply:

swup.hooks.on("visit:start", (visit) => {
  visit.cache.read = true;
});

Drive By

• npm update
• add contributors to package.json

Checks

• The PR is submitted to the master branch
• The code was linted before pushing (npm run lint)

[daun]

Am I understanding this right? Clearing the cache currently makes it impossible to allow reading from the cache, and this change replicates the current behavior but allows manipulating the cache settings on the fly?

[daun]

Just re-read the issue, I get it now. I'm assuming you've tested this. Code looks fine!