Update README and some internal stuff

internals/README.md

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+# Internals
+
+This directory often contains things that typically don't face the public
+world, like grant/fiscal sponsorship applications. They are not as updated as
+the rest of the crew meta repository, among other things (including the
+website and wiki/handbook).
+
+## Applications
+
+* [Hack Club Fiscal Sponsorship](./fiscal-sponsorships/hackclub/application.md)

internals/fiscal-sponsorships/hackclub/application.md

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+# HCB Fiscal Sponsorship application form archive
+
+_**Note**: Andrei Jiroh filled up the application form online for both Recap Time Squad and Community Lorebooks._
+
+## Recap Time Squad
+
+TODO
+
+## Community Lorebooks
+
+TODO