Use new format and add file source

applications/reconstruct/src/main.cpp

components/rgbd-sources/CMakeLists.txt

components/rgbd-sources/include/ftl/rgbd/group.hpp

components/rgbd-sources/include/ftl/rgbd/source.hpp

components/rgbd-sources/include/ftl/rgbd/streamer.hpp

components/rgbd-sources/src/file_source.cpp

components/rgbd-sources/src/file_source.hpp

components/rgbd-sources/src/group.cpp

components/rgbd-sources/src/net.cpp

components/rgbd-sources/src/source.cpp

components/rgbd-sources/src/streamer.cpp

components/rgbd-sources/test/source_unit.cpp