Added PiAlert widget [WIP] (#1493)

* Added PiAlert widget

* pialert: comments clean

* Syntax changes to piAlert widget

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Co-authored-by: shamoon <4887959+shamoon@users.noreply.github.com>

src/widgets/components.js

@@ -57,6 +57,7 @@ const components = {
   pfsense: dynamic(() => import("./pfsense/component")),
   photoprism: dynamic(() => import("./photoprism/component")),
   proxmoxbackupserver: dynamic(() => import("./proxmoxbackupserver/component")),
+  pialert: dynamic(() => import("./pialert/component")),
   pihole: dynamic(() => import("./pihole/component")),
   plex: dynamic(() => import("./plex/component")),
   portainer: dynamic(() => import("./portainer/component")),