Initial pass at Chp 9-16

Author: yahrMason

Rethinking_2/Chp_09.ipynb

@@ -16,9 +16,5 @@ dependencies:
   - pip
   - pip:
     - daft
-    - causalgraphicalmodels
-     - watermark
-     - "git+git://github.com/arviz-devs/arviz.git@main"
-     - "git+git://github.com/pymc-devs/pymc.git@main"
-     - causalgraphicalmodels
-     - daft
+    - watermark
+    - "git+https://github.com/BirkhoffG/causalgraphicalmodels.git@master"