[strasbourg][engelbourg] Add rake reference-api generated file

...es/strasbourg/clusters/engelbourg/nodes/engelbourg-1.json

...es/strasbourg/clusters/engelbourg/nodes/engelbourg-2.json

...es/strasbourg/clusters/engelbourg/nodes/engelbourg-3.json

...es/strasbourg/clusters/engelbourg/nodes/engelbourg-4.json

...es/strasbourg/clusters/engelbourg/nodes/engelbourg-5.json

...es/strasbourg/clusters/engelbourg/nodes/engelbourg-6.json

...es/strasbourg/clusters/engelbourg/nodes/engelbourg-7.json

...es/strasbourg/clusters/engelbourg/nodes/engelbourg-8.json

...trasbourg/clusters/fleckenstein/nodes/fleckenstein-1.json

...rasbourg/clusters/fleckenstein/nodes/fleckenstein-10.json

...trasbourg/clusters/fleckenstein/nodes/fleckenstein-2.json

...trasbourg/clusters/fleckenstein/nodes/fleckenstein-3.json

...trasbourg/clusters/fleckenstein/nodes/fleckenstein-4.json

...trasbourg/clusters/fleckenstein/nodes/fleckenstein-5.json

...trasbourg/clusters/fleckenstein/nodes/fleckenstein-6.json

...trasbourg/clusters/fleckenstein/nodes/fleckenstein-7.json

...trasbourg/clusters/fleckenstein/nodes/fleckenstein-8.json

...trasbourg/clusters/fleckenstein/nodes/fleckenstein-9.json

data/grid5000/sites/strasbourg/network_equipments/gw.json