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/css-tree/lib/syntax/node/Selector.js

@@ -0,0 +1,32 @@
+module.exports = {
+    name: 'Selector',
+    structure: {
+        children: [[
+            'TypeSelector',
+            'IdSelector',
+            'ClassSelector',
+            'AttributeSelector',
+            'PseudoClassSelector',
+            'PseudoElementSelector',
+            'Combinator',
+            'WhiteSpace'
+        ]]
+    },
+    parse: function() {
+        var children = this.readSequence(this.scope.Selector);
+
+        // nothing were consumed
+        if (this.getFirstListNode(children) === null) {
+            this.error('Selector is expected');
+        }
+
+        return {
+            type: 'Selector',
+            loc: this.getLocationFromList(children),
+            children: children
+        };
+    },
+    generate: function(node) {
+        this.children(node);
+    }
+};