Implement GetFileTable command handler

Change-Id: I24c663d4d7843dad65a950c85155c6ce6a28e4bb
Signed-off-by: Tom Joseph <tomjoseph@in.ibm.com>
diff --git a/libpldmresponder/file_io.hpp b/libpldmresponder/file_io.hpp
index 17a6fe2..852f5de 100644
--- a/libpldmresponder/file_io.hpp
+++ b/libpldmresponder/file_io.hpp
@@ -164,5 +164,14 @@
  *  @return PLDM response message
  */
 Response writeFileFromMemory(const uint8_t* request, size_t payloadLength);
+
+/** @brief Handler for GetFileTable command
+ *
+ *  @param[in] request - pointer to PLDM request payload
+ *  @param[in] payloadLength - length of the message payload
+ *
+ *  @return PLDM response message
+ */
+Response getFileTable(const uint8_t* request, size_t payloadLength);
 } // namespace responder
 } // namespace pldm