Fix bin/publish: copy docs.dist from project root

Fix bin/publish: use correct .env path for rspade_system
Fix bin/publish script: prevent grep exit code 1 from terminating script

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

node_modules/postcss-ordered-values/src/lib/joinGridValue.js

@@ -0,0 +1,8 @@
+'use strict';
+/**
+ * @param {string[]} grid
+ * @return {string}
+ */
+module.exports = function joinGridVal(grid) {
+  return grid.join(' / ').trim();
+};