docs: add privacy policy and extension documentation

src/router/index.js

@@ -2,6 +2,7 @@ import { createRouter, createWebHistory } from 'vue-router'
 import Main from '../components/Main.vue'
 import Passwords from '../components/tools/Passwords.vue'
 import ClipboardSniffer from '../components/tools/ClipboardSniffer.vue'
+import PrivacyPolicy from '../views/PrivacyPolicy.vue'
 
 const routes = [
   {
@@ -18,6 +19,11 @@ const routes = [
     path: '/clipboard-sniffer',
     name: 'ClipboardSniffer',
     component: ClipboardSniffer
+  },
+  {
+    path: '/extension-privacy-policy',
+    name: 'PrivacyPolicy',
+    component: PrivacyPolicy
   }
 ]