Update environment.yml

Author: WhiteSymmetry

binder/environment.yml

@@ -1,19 +1,24 @@
-name: kha256
+name: kha256-jupyterbook
 channels:
   - conda-forge
   - defaults
 dependencies:
   - python=3.9
   - pip
-  - numpy>=2.20.0
+  - numpy>=1.20.0
   - pandas>=1.3.0
   - matplotlib>=3.4.0
   - scipy>=1.7.0
   - jupyterlab
   - nodejs
+  - jupyter-book
+  - myst-nb
+  - sphinx-book-theme
   - pip:
     - kececinumbers==0.8.4
     - kha256
     - ipywidgets
     - plotly
     - seaborn
+    - sphinx
+    - sphinx-autobuild