Update icons and add discord to footer

package.json

@@ -51,7 +51,7 @@
     "mitt": "^2.1.0",
     "node-sass": "^4.12.0",
     "primeflex": "2.0.0",
-    "primeicons": "4.0.0",
+    "primeicons": "4.1.0",
     "prismjs": "^1.15.0",
     "quill": "^1.3.7",
     "rollup-plugin-postcss": "^4.0.0",

public/demo/menu/menu.json

@@ -120,7 +120,7 @@
             "meta": ["primeicons"],
             "children": [
                 {
-                    "name": "Icons v4.0",
+                    "name": "Icons v4.1",
                     "to": "/icons"
                 }
             ]

src/AppFooter.vue

@@ -9,9 +9,12 @@
             <a href="https://github.com/primefaces/primevue" class="p-mr-3">
                 <i class="pi pi-github"></i>
             </a>
-            <a href="https://twitter.com/primevue">
+            <a href="https://twitter.com/primevue" class="p-mr-3">
                 <i class="pi pi-twitter"></i>
             </a>
+            <a href="https://discord.com/invite/gzKFYnpmCY">
+                <i class="pi pi-discord"></i>
+            </a>
         </div>
     </div>
 </template>