change: Grid.hpp | added class and constructors

include/tug/Grid.hpp

@@ -0,0 +1,35 @@
+#include <iostream>
+#include <vector>
+
+using namespace std;
+
+class Grid {
+    public:
+    /**
+     * @brief Construct a new Grid object
+     * 
+     * @param n 
+     */
+    Grid(int n);
+
+    /**
+     * @brief Construct a new Grid object
+     * 
+     * @param n 
+     * @param m 
+     */
+    Grid(int n, int m);
+
+    /**
+     * @brief Set the Alpha object
+     * 
+     * @param alpha 
+     */
+    void setAlpha(vector<float> alpha);
+
+    void setAlpha(vector<float> alpha_x, vector<float> alpha_y);
+
+    private:
+    
+
+};