chore: un-ignore /dist/

Appended '\!/dist/' override to the bottom of .gitignore so the committed
build output is tracked. node_modules and other Nuxt-template-default
entries remain ignored. Verified with 'git check-ignore -v dist/index.js'
(no match, exit 1).

.gitignore

@@ -136,3 +136,6 @@ dist
 .yarn/install-state.gz
 .pnp.*
 
+
+# package: ship pre-compiled dist/
+!/dist/