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/svgo/plugins/removeEmptyAttrs.js

@@ -0,0 +1,33 @@
+'use strict';
+
+const { attrsGroups } = require('./_collections.js');
+
+exports.type = 'visitor';
+exports.name = 'removeEmptyAttrs';
+exports.active = true;
+exports.description = 'removes empty attributes';
+
+/**
+ * Remove attributes with empty values.
+ *
+ * @author Kir Belevich
+ *
+ * @type {import('../lib/types').Plugin<void>}
+ */
+exports.fn = () => {
+  return {
+    element: {
+      enter: (node) => {
+        for (const [name, value] of Object.entries(node.attributes)) {
+          if (
+            value === '' &&
+            // empty conditional processing attributes prevents elements from rendering
+            attrsGroups.conditionalProcessing.includes(name) === false
+          ) {
+            delete node.attributes[name];
+          }
+        }
+      },
+    },
+  };
+};