Previous version of Tanabata used as visual and functional reference
for the new Go + SvelteKit rewrite.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
.gitignore covers env/secrets, OS files, IDE, Go build artifacts,
frontend build output, data dirs, and vendored reference libs.
.gitattributes enforces LF line endings, marks binaries, configures
diff drivers per language, and sets Linguist hints for repo stats.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>