Implement Catmull-Rom Spline with test and documentation (#1085)

tests/test_catmull_rom_spline.py

@@ -0,0 +1,16 @@
+import conftest
+from PathPlanning.Catmull_RomSplinePath.catmull_rom_spline_path import catmull_rom_spline
+
+def test_catmull_rom_spline():
+    way_points = [[0, 0], [1, 2], [2, 0], [3, 3]]
+    num_points = 100
+
+    spline_x, spline_y = catmull_rom_spline(way_points, num_points)
+    
+    assert spline_x.size > 0, "Spline X coordinates should not be empty"
+    assert spline_y.size > 0, "Spline Y coordinates should not be empty"
+    
+    assert spline_x.shape == spline_y.shape, "Spline X and Y coordinates should have the same shape"
+
+if __name__ == '__main__':
+    conftest.run_this_test(__file__)