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/codemirror-spell-checker/debug/spell-checker.css

@@ -0,0 +1,9 @@
+/**
+ * codemirror-spell-checker v1.1.2
+ * Copyright Next Step Webs, Inc.
+ * @link https://github.com/NextStepWebs/codemirror-spell-checker
+ * @license MIT
+ */
+.CodeMirror .cm-spell-error:not(.cm-url):not(.cm-comment):not(.cm-tag):not(.cm-word) {
+    background: rgba(255, 0, 0, .15);
+}