Implement the proba branch and begin with the voting one

src/SPODE.h

@@ -0,0 +1,17 @@
+#ifndef SPODE_H
+#define SPODE_H
+#include "Classifier.h"
+
+namespace bayesnet {
+    class SPODE : public Classifier {
+    private:
+        int root;
+    protected:
+        void buildModel(const torch::Tensor& weights) override;
+    public:
+        explicit SPODE(int root);
+        virtual ~SPODE() = default;
+        std::vector<std::string> graph(const std::string& name = "SPODE") const override;
+    };
+}
+#endif