Proposed change

Change the /nfc/* tag path handling to /tag/* so it isn't specific to NFC.

Type of change

Not a documentation change, really.

• Spelling, grammar or other readability improvements (current branch).
• Adjusted missing or incorrect information in the current documentation (current branch).
• Added documentation for a new integration I'm adding to Home Assistant (next branch).
  • I've opened up a PR to add logo's and icons in Brands repository.
• Added documentation for a new feature I'm adding to Home Assistant (next branch).
• Removed stale or deprecated documentation.

Additional information

• Link to parent pull request in the codebase: NFC Tags: Change URL path to /tag/<id> iOS#868
• Link to parent pull request in the Brands repository: n/a
• This PR fixes or closes issue: n/a

This PR is not dependent on this PR merging, the iOS app is not going out for a bit.

Checklist

• This PR uses the correct branch, based on one of the following:
  • I made a change to the existing documentation and used the current branch.
  • I made a change that is related to an upcoming version of Home Assistant and used the next branch.
• The documentation follows the Home Assistant documentation standards.