Add notices system to Servers (#3502)

* Servers notices

* Refresh on unassign

packages/utils/types.ts

@@ -252,3 +252,21 @@ export type Report = {
   created: string
   body: string
 }
+
+export type ServerNotice = {
+  id: number
+  message: string
+  level: string
+  dismissable: boolean
+  announce_at: string
+  expires: string
+  assigned: {
+    kind: 'server' | 'node'
+    id: string
+    name: string
+  }[]
+  dismissed_by: {
+    server: string
+    dismissed_on: string
+  }[]
+}