Create stubs and limit page size

server/transaction/transaction.go

@@ -3,7 +3,9 @@ package transaction
 import "encoding/json"
 
 type Transaction struct {
-	Account   string          `json:"account"`
+	From      string          `json:"from"`
+	To        string          `json:"to"`
+	Category  string          `json:"category"`
 	Amount    float32         `json:"amount"`
 	Timestamp int64           `json:"timestamp"`
 	Meta      json.RawMessage `json:"meta"`