feat: Add support for CFVAE

Author: Chenghao Tan

methods/__init__.py

@@ -20,4 +20,5 @@
     Revise,
     Roar,
     Wachter,
+    CFVAE,
 )

methods/api/recourse_method.py

@@ -42,4 +42,4 @@ def get_counterfactuals(self, factuals: pd.DataFrame):
         pd.DataFrame
             Encoded and normalised counterfactual examples.
         """
-        pass
+        return pd.DataFrame()

methods/catalog/__init__.py

@@ -17,3 +17,4 @@
 from .revise import Revise
 from .roar import Roar
 from .wachter import Wachter
+from .cfvae import CFVAE

methods/catalog/cfvae/__init__.py

@@ -0,0 +1,3 @@
+# flake8: noqa
+
+from .model import CFVAE