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/collect.js/docs/api/isNotEmpty.md

@@ -0,0 +1,19 @@
+# `isNotEmpty()`
+
+The isNotEmpty method returns true if the collection is not empty; otherwise, false is returned:
+
+```js
+collect([1, 2, 3]).isNotEmpty();
+//  true
+
+collect().isNotEmpty();
+// false
+
+collect([]).isNotEmpty();
+// false
+
+collect({}).isNotEmpty();
+// false
+```
+
+[View source on GitHub](https://github.com/ecrmnn/collect.js/blob/master/src/methods/isNotEmpty.js)