feat: Snapshot import feature (#1970)

Implement snapshot import cmd
`clio_snapshot --server --grpc_server 0.0.0.0:12345 --path
<snapshot_path>`

Implement snapshot range cmd
`./clio_snapshot --range --path <snapshot_path>`

Add
LedgerHouses: It is responsible for reading/writing snapshot data
Server: Start grpc server and ws server

tools/snapshot/internal/server/server.go

@@ -0,0 +1,46 @@
+package server
+
+import (
+	"fmt"
+	"log"
+	"net"
+
+	"xrplf/clio/clio_snapshot/internal/ledgers"
+	pb "xrplf/clio/clio_snapshot/org/xrpl/rpc/v1"
+
+	"google.golang.org/grpc"
+)
+
+func StartServer(grpcServerAddr string, wsServerAddr string, path string) {
+	ledgersHouse := ledgers.NewLedgersHouse(path)
+
+	if !ledgersHouse.IsExist() {
+		log.Fatalf("Can't start server againist invalid snapshot folder: %s", path)
+	}
+
+	startSeq, endSeq, err := ledgersHouse.GetRange()
+	if err != nil {
+		log.Fatalf("Failed to get range: %v", err)
+	}
+
+	lis, err := net.Listen("tcp", grpcServerAddr)
+
+	if err != nil {
+		log.Fatalf("Failed to listen: %v", err)
+	}
+
+	grpcServer := grpc.NewServer()
+	pb.RegisterXRPLedgerAPIServiceServer(grpcServer, newServer(path))
+	log.Print("Starting server...")
+	go grpcServer.Serve(lis)
+
+	wsServer := NewWebSocketServer("Snapshot Server", func(message string) string {
+		//mimic the response of the ledger stream
+		ledgerStreamReply := fmt.Sprintf("{\"fee_base\":10,\"ledger_hash\":\"A320C67DA7D1250A577AC5AACDF06ADC25E0EEEF7AE5B8D63CE2E1CC7F76A438\",\"ledger_index\":%d,\"ledger_time\":792853443,\"reserve_base\":1000000,\"reserve_inc\":200000,\"txn_count\":0,\"type\":\"ledgerClosed\",\"validated_ledgers\":\"%d-%d\"}",
+			endSeq, startSeq, endSeq)
+		return ledgerStreamReply
+	})
+	wsServer.Start(wsServerAddr)
+
+	select {}
+}