pass plotlyjs arg to PageGenerator constructor

Author: emilykl

src/py/kaleido/kaleido.py

@@ -106,6 +106,7 @@ def __init__(self, *args, **kwargs):  # noqa: D417 no args/kwargs in description
         self._height = kwargs.pop("height", None)
         self._width = kwargs.pop("width", None)
         self._stepper = kwargs.pop("stepper", False)
+        self._plotlyjs = kwargs.pop("plotlyjs", None)
         self._mathjax = kwargs.pop("mathjax", None)
         if not kwargs.get("headless", True) and (self._height or self._width):
             warnings.warn(
@@ -136,7 +137,7 @@ def __init__(self, *args, **kwargs):  # noqa: D417 no args/kwargs in description
             index = self.tmp_dir.path / "index.html"
             self._index = index.as_uri()
             if not page:
-                page = PageGenerator(mathjax=self._mathjax)
+                page = PageGenerator(plotly=self._plotlyjs, mathjax=self._mathjax)
             page.generate_index(index)
 
     async def _conform_tabs(self, tabs=None) -> None: