chore(rebuild): Meta: Add cloud file handling proposal (#411)

This proposal adds a a new `getCloudIdentifiers()` method to `FileSystemHandle`, which allows to retrieve cloud handles for a file/directory. A cloud handle consists of a vendor identifiert (e.g. "drive.google.com") and a file identifier. With these, the web app can talk to the cloud storage provider through its APIs directly to retrieve/modify the file. This is useful for web apps to figure out if a file is already backed by cloud storage and allows for easier transfer across machines as just the identifier instead of the entire file contents need to be transfered.

SHA: 4d4fbd8
Reason: push, by @a-sully

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: alex292

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-  <meta content="Bikeshed version 5fcd28d6d, updated Tue May 30 13:12:11 2023 -0700" name="generator">
+  <meta content="Bikeshed version 516eaf3cf, updated Tue Jun 20 13:48:28 2023 -0700" name="generator">
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    <h1 class="p-name no-ref" id="title">File System Access</h1>
-   <p id="w3c-state"><a href="https://www.w3.org/standards/types#CG-DRAFT">Draft Community Group Report</a>, <time class="dt-updated" datetime="2023-06-20">20 June 2023</time></p>
+   <p id="w3c-state"><a href="https://www.w3.org/standards/types#CG-DRAFT">Draft Community Group Report</a>, <time class="dt-updated" datetime="2023-06-22">22 June 2023</time></p>
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      <dt>This version: