Update week15

public/assignments/IndividualAssignments/week15.html

@@ -215,7 +215,7 @@
       <div class="code-container">
         <pre>
           <code>
-            brew service start mosquitto
+            brew services start mosquitto
           </code>
         </pre>
         <button class="copy-btn" onclick="copyCode()">Copy</button>
@@ -426,7 +426,25 @@ To open the “.config file” with your text editor, execute the following comm
   </script>
   <p1> And use following command to kill the running processes, then restart the mosquitto based on the config file.The whole process is in following picture</p1>
   <img src="../../images/Week15/howToSetUp.png" alt="Description of image" width="800" />
-  
+  <p1> Last, run command as below to start mosquitto</p1>
+  <div class="code-container">
+    <pre>
+      <code>
+        mosquitto -c /opt/homebrew/etc/mosquitto/mosquitto.conf
+      </code>
+    </pre>
+    <button class="copy-btn" onclick="copyCode()">Copy</button>
+  </div>
+ <script>
+    function copyCode() {
+      var code = document.querySelector('code').innerText;
+      navigator.clipboard.writeText(code).then(() => {
+        alert('Code copied to clipboard!');
+      }, () => {
+        alert('Failed to copy code.');
+      });
+    }
+  </script>
   <h3>Part4. Programming Code for WebPage </h3>
   <p1>4.1 Then I created a web page to interact with an MQTT broker to control an LED.</p1>
   <p1>  - In the "head" section, it imports the Paho MQTT JavaScript library from a CDN for me.</p1>