Adds kubecon banner with google calendar link (#1537)

* adds kubecon banner with google cal link

* Adds kubecon to cspell

* updates hex color

Author: ZPain8464

cspell.json

@@ -84,6 +84,7 @@
     "Keycloak",
     "kubebuilder",
     "kubectl",
+    "kubecon",
     "kubernetes",
     "kustomization",
     "kustomize",

docusaurus.config.js

@@ -90,6 +90,13 @@ const config = {
       contextualSearch: false,
       searchPagePath: false,
     },
+    announcementBar: {
+      id: 'kubecon-2024',
+      content: 'Meet the Pomerium Development Team at our KubeCon 2024 booth in Salt Lake City, Utah from November 12-15. <b><a href="https://calendar.google.com/calendar/appointments/schedules/AcZssZ0YfkyTbr2fYMyJvdPf7vsQ2xLkc77t1eGPiwM2jRkl8hBLubeOWjgX3dcFHjU_M86cgYhBIV_u?gv=true" target="_blank">Book an appointment now!</a></b>',
+      backgroundColor: '#7C3AED',
+      textColor: '#FFFFFF',
+      isCloseable: true,
+    },
     navbar: {
       title: '',
       logo: {