docs: finalize report assets and polish dashboard UI

docs/diagrams/use-case.mmd

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+flowchart LR
+  Admin([Admin])
+  Login((Sign in))
+  Protected((Akses Dashboard Terproteksi))
+  Dashboard((Melihat Dashboard Summary))
+  Server((CRUD Server))
+  Service((CRUD Service))
+  Domain((CRUD Domain))
+  AutoDns((Auto DNS Check saat Create/Update Domain))
+  ManualDns((Manual DNS Check dari List/Detail Domain))
+  Note((CRUD Catatan))
+  Detail((Melihat Catatan pada Detail Server))
+  Logout((Sign out))
+
+  Admin --> Login
+  Login --> Protected
+  Protected --> Dashboard
+  Protected --> Server
+  Protected --> Service
+  Protected --> Domain
+  Protected --> Note
+  Domain --> AutoDns
+  Domain --> ManualDns
+  Server --> Detail
+  Admin --> Logout