feat: move shared enum to separate file

frontend/src/types/TabSections.ts

@@ -0,0 +1,9 @@
+enum TabSections {
+  Member = "members",
+  Roles = "roles",
+  Groups = "groups",
+  Identities = "identities",
+  ServiceTokens = "service-tokens"
+}
+
+export default TabSections

frontend/src/types/index.ts

@@ -0,0 +1,2 @@
+import TabSections from "./TabSections";
+export { TabSections };