fix: handle cached collections urls properly

[userquin]

This PR includes some sw optimizations:

• map local iconify collections using sw precache manifest revision entry: current version will end with duplicates entries, for SW precache and for local request without the ?__WB_REVISION__=<revision> entry
• adds some response header to avoid CORS errors: this can be only tested on production, maybe we can enable PR preview

I'll try to move all local collections outside precache on its own cache using runtime config, current version will take long time to install and activate the sw, it needs to download ~400MB, then it is activated: visit any collection without sw installed and activated will use iconify request api.

This PR will be on draft a few minutes, checking on my local runtime caching changes.

[userquin]

I will clear logs later...

[userquin]

some screenshots:

[userquin]

Runtime caching approach not working, getting errors when accessing the cache, there is no way to update cache entry. Precaching collections working properly, tested also on safari and chrome on macOS (cyberalien).