[Localization] Create swift-def-to-yaml-converter tool

Author: HassanElDesouky

localization/CMakeLists.txt

@@ -3,6 +3,9 @@ add_custom_target(diagnostic-database)
 add_custom_command(TARGET diagnostic-database
   COMMAND
     ${CMAKE_COMMAND} -E copy_directory ${CMAKE_CURRENT_SOURCE_DIR}/diagnostics/ ${CMAKE_BINARY_DIR}/share/swift/diagnostics/
+  COMMAND
+    "${SWIFT_NATIVE_SWIFT_TOOLS_PATH}/swift-def-to-yaml-converter"
+      --output-directory ${CMAKE_BINARY_DIR}/share/swift/diagnostics/
   COMMAND
     "${SWIFT_NATIVE_SWIFT_TOOLS_PATH}/swift-serialize-diagnostics"
       --input-file-path ${CMAKE_BINARY_DIR}/share/swift/diagnostics/en.yaml