move flutter_filament plugin to federated structure

flutter_filament_federated/flutter_filament/test/Makefile

@@ -0,0 +1,10 @@
+LDFLAGS:=-lfilament -lbackend -lfilameshio -lviewer -lfilamat -lgeometry -lutils -lfilabridge -lgltfio_core -lfilament-iblprefilter -limage -limageio -ltinyexr -lgltfio_core -lfilaflat -ldracodec -libl -lktxreader -lpng -lz -lstb -luberzlib -lsmol-v -luberarchive -lzstd -lvkshaders -lbluegl -lbluevk -lbasis_transcoder -lmeshoptimizer -L../macos/lib -framework CoreFoundation -framework Foundation -framework CoreVideo -framework Metal -framework QuartzCore -framework Cocoa
+
+clean:
+	rm ./out/test
+run: build
+	./out/test
+build: cpp/test.cpp
+	mkdir -p out
+	clang++ -I../ios/include/filament -I../ios/include/ cpp/test.cpp ../macos/src/SceneManager.cpp --std=c++17 $(LDFLAGS)  -o out/test
+