modify the centrality.h

Author: sama

cpp_easygraph/functions/centrality/centrality.h

@@ -12,4 +12,11 @@ py::object cpp_katz_centrality(
     py::object py_max_iter,
     py::object py_tol,
     py::object py_normalized
+);
+py::object cpp_eigenvector_centrality(
+    py::object G,
+    py::object py_max_iter,
+    py::object py_tol,
+    py::object py_nstart,
+    py::object py_weight
 );