Add StartOS 0.4.0 packaging

.dockerignore

@@ -0,0 +1,44 @@
+# User data (never bake personal data into the image)
+history/
+config/
+cookies.txt
+.env
+
+# Build artifacts
+*.s9pk
+image.tar
+javascript/
+
+# macOS artifacts
+.DS_Store
+*.command
+
+# Local dev files (not needed in container)
+GET-STARTED.*
+build-guide-pdf.py
+create-app.sh
+setup.sh
+Start Summarizer.command
+YouTube Summarizer.app/
+
+# StartOS packaging files (not part of the app image)
+startos/
+start9/
+s9pk.mk
+Makefile
+package.json
+package-lock.json
+tsconfig.json
+icon.png
+icon.svg
+LICENSE
+CONTRIBUTING.md
+README.md
+
+# Game plan / docs
+START9_PACKAGING_GAMEPLAN.md
+assets/ABOUT.md
+
+# Git
+.git/
+.github/