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/multicast-dns/example.js

@@ -0,0 +1,36 @@
+var mdns = require('./')()
+
+mdns.on('warning', function (err) {
+  console.log(err.stack)
+})
+
+mdns.on('response', function (response) {
+  console.log('got a response packet:', response)
+})
+
+mdns.on('query', function (query) {
+  console.log('got a query packet:', query)
+
+  // iterate over all questions to check if we should respond
+  query.questions.forEach(function (q) {
+    if (q.type === 'A' && q.name === 'example.local') {
+      // send an A-record response for example.local
+      mdns.respond({
+        answers: [{
+          name: 'example.local',
+          type: 'A',
+          ttl: 300,
+          data: '192.168.1.5'
+        }]
+      })
+    }
+  })
+})
+
+// lets query for an A-record for example.local
+mdns.query({
+  questions: [{
+    name: 'example.local',
+    type: 'A'
+  }]
+})