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/slice.md

@@ -0,0 +1,25 @@
+# `slice()`
+
+The slice method returns a slice of the collection starting at the given index:
+
+```js
+const collection = collect([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);
+
+const slice = collection.slice(4);
+
+slice.all();
+
+// [5, 6, 7, 8, 9, 10]
+```
+
+If you would like to limit the size of the returned slice, pass the desired size as the second argument to the method:
+
+```js
+const slice = collection.slice(4, 2);
+
+slice.all();
+
+// [5, 6]
+```
+
+[View source on GitHub](https://github.com/ecrmnn/collect.js/blob/master/src/methods/slice.js)