Kokkoja: first public assembly

Assembled from the development repository by tools/make_release.sh.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

.gitignore

@@ -0,0 +1,16 @@
+# Editor backups
+*~
+
+# PDFs are renderings of the Markdown in notes/
+*.pdf
+
+# Python
+.venv/
+__pycache__/
+
+# Development tools installed by npm (see package.json)
+node_modules/
+
+# Local Claude settings
+.claude/settings.local.json
+tests/downloads_*