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

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

node_modules/css-tree/lib/syntax/pseudo/index.js

@@ -0,0 +1,12 @@
+module.exports = {
+    'dir': require('./dir'),
+    'has': require('./has'),
+    'lang': require('./lang'),
+    'matches': require('./matches'),
+    'not': require('./not'),
+    'nth-child': require('./nth-child'),
+    'nth-last-child': require('./nth-last-child'),
+    'nth-last-of-type': require('./nth-last-of-type'),
+    'nth-of-type': require('./nth-of-type'),
+    'slotted': require('./slotted')
+};