mv example to internal

internal/example/geyser/message.go

@@ -0,0 +1,21 @@
+package geyser
+
+import (
+	"github.com/thloyi/pump-parser"
+)
+
+type BlockInfo struct {
+	Slot      uint64
+	BlockTime int64
+	BlockHash string
+	Height    uint64
+}
+
+type SubscriptionMessage struct {
+	EstimateDelaySecond int64
+
+	Reconnect bool
+
+	Block *BlockInfo
+	Tx    *pump_parser.Tx
+}