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/collect.js/docs/api/has.md

@@ -0,0 +1,24 @@
+# `has()`
+
+The has method determines if one or more keys exists in the collection:
+
+```js
+const collection = collect({
+  animal: 'unicorn',
+  ability: 'magical',
+});
+
+collection.has('ability');
+
+// true
+
+collection.has(['animal', 'ability']);
+
+// true
+
+collection.has(['animal', 'ability', 'name']);
+
+// false
+```
+
+[View source on GitHub](https://github.com/ecrmnn/collect.js/blob/master/src/methods/has.js)