added missing packages to requirements for docs builder

docs/requirements.txt

 # Defining the exact version will make sure things don't break
 sphinx==5.3.0
 sphinx_rtd_theme==1.1.1
-readthedocs-sphinx-search==0.1.1
\ No newline at end of file
+readthedocs-sphinx-search==0.1.1
+numpy=1.21
+pandas=1.5.3
+scipy=1.7
+h5py=3.6
+mpi4py=3.1
+matplotlib=3.5
+seaborn=0.12
+mpmath=1.2.1
+accelerator-toolbox=0.5.0
\ No newline at end of file