🎉 feat(lazy_load.py): add LazyLoadDictBase class to provide lazy loading of a dictionary of all types

🐛 fix(lazy_load.py): implement _build_dict() and get_type_dict() methods to avoid NotImplementedError

src/backend/langflow/utils/lazy_load.py

@@ -0,0 +1,15 @@
+class LazyLoadDictBase:
+    def __init__(self):
+        self._all_types_dict = None
+
+    @property
+    def all_types_dict(self):
+        if self._all_types_dict is None:
+            self._all_types_dict = self._build_dict()
+        return self._all_types_dict
+
+    def _build_dict(self):
+        raise NotImplementedError
+
+    def get_type_dict(self):
+        raise NotImplementedError