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/src/methods/splice.js

@@ -0,0 +1,16 @@
+'use strict';
+
+module.exports = function splice(index, limit, replace) {
+  const slicedCollection = this.slice(index, limit);
+
+  this.items = this.diff(slicedCollection.all()).all();
+
+  if (Array.isArray(replace)) {
+    for (let iterator = 0, { length } = replace;
+      iterator < length; iterator += 1) {
+      this.items.splice(index + iterator, 0, replace[iterator]);
+    }
+  }
+
+  return slicedCollection;
+};