feat: publish Gamertan Web Foundations preview source

Export the reviewed application-neutral package set through the exact public allowlist. Development history and private application evidence remain outside this canonical source root.

Developed with material AI assistance under maintainer review.

Signed-off-by: Cole Speelman <crspeelman@gmail.com>

CHANGELOG.md

@@ -0,0 +1,11 @@
+<!-- SPDX-License-Identifier: MPL-2.0 -->
+
+# Changelog
+
+## Unreleased
+
+- Establish independent request metadata, logging, browser security, abuse,
+  authentication, SQLite, and analytics package boundaries.
+- Add a minimal 0BSD `net/http` starter.
+
+No compatibility promise is made before the first preview tag.