Win ci

• Add windows CI
• Move pip install from test phase to build phase

include/aidge/backend/cpu/data/GetCPUPtr.h

@@ -16,7 +16,8 @@
 
 namespace Aidge {
 inline void *getCPUPtr(std::shared_ptr<Aidge::Data> const &data) {
-  return std::static_pointer_cast<Tensor>(data)->getImpl()->rawPtr();
+  const auto tensor = std::static_pointer_cast<Tensor>(data);
+  return tensor->getImpl()->hostPtr(tensor->getImplOffset());
 }
 } // namespace Aidge