Add links to sub-explainers and specification to top level README.md (#…

…47)

SHA: 35c579b
Reason: push, by robbiemc

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

isolated-contexts.html

@@ -6,7 +6,7 @@
   <link href="https://www.w3.org/StyleSheets/TR/2021/cg-draft" rel="stylesheet">
   <meta content="Bikeshed version 6270e4735, updated Tue Aug 6 12:12:30 2024 -0700" name="generator">
   <link href="https://wicg.github.io/isolated-web-apps/isolated-contexts" rel="canonical">
-  <meta content="643417db1755a14e3167a76cefd1960215f4dc42" name="revision">
+  <meta content="35c579b99d9d31d837a08b0c468ca7671c6d68e8" name="revision">
   <meta content="dark light" name="color-scheme">
   <link href="https://www.w3.org/StyleSheets/TR/2021/dark.css" media="(prefers-color-scheme: dark)" rel="stylesheet" type="text/css">
 <style>/* Boilerplate: style-autolinks */