Integrate Xcode 15 DocC Improvements

[dfeinzimer]

1. Use DocC links

• Migrate documentation to DocC #392 adds tutorial links in the component documentation. The absolute URLs to the tutorials can be replaced with links to the specific tutorial doc.
• Complete - Switch tutorial links to doc references #691

2. Use local images

• Some of the images in the DocC are using GitHub hosted content. As of Xcode 15 these can switch over to local image references. See also Add dark mode images for Tutorials #668
• Complete