[#70] Support configuring buffer size for put

Signed-off-by: Denis Kirillov <d.kirillov@yadro.com>

internal/handler/upload.go

@@ -137,6 +137,7 @@ func (h *Handler) Upload(req *fasthttp.RequestCtx) {
 	prm.SetHeader(*obj)
 	prm.SetPayload(file)
 	prm.SetClientCut(h.config.ClientCut())
+	prm.SetBufferMaxSize(h.config.BufferMaxSizeForPut())
 
 	bt := h.fetchBearerToken(ctx)
 	if bt != nil {