Update welcome.html

Author: thedoggybrad

Firefox (Manifest v2)/welcome.html

@@ -51,7 +51,7 @@
   <h1>Welcome to VirusTotal Website Security Check (Web browser extension)</h1>
   <h2 style="color:red; text-align:center;">By installing this extension, you need to accept our Privacy Policy.<br>If you do not accept our Privacy Policy, uninstall this extension immediately.</h2>
   <h3>Summary of Privacy Policy:<br>You are viewing this screen because when you click the extension, it will check the website you are on through VirusTotal. The extension sends only the URL to VirusTotal, and no other data is collected.<br><br>
-  To visit the full privacy policy, please visit <a href="https://github.com/thedoggybrad/vt_web_check/blob/main/privacypolicy.md">https://github.com/thedoggybrad/vt_web_check/blob/main/privacypolicy.md</a>
+  To visit the full privacy policy, please visit <a href="https://addons.mozilla.org/en-US/firefox/addon/vt_web_check/privacy/">https://addons.mozilla.org/en-US/firefox/addon/vt_web_check/privacy/</a>
   <br><br>(Clicking "Decline" will automatically uninstall this add-on.)</h3>
 
   <div class="accept-buttons">