Moved the page descriptions for compartmental model pages under expan…

…ders using new page_description widget.

pages/compartmental/analyze.py

@@ -3,15 +3,14 @@
 
 st.title("Analyze Your Model")
 widgets.divider_blank()
-st.write(
-'''
+page_description = '''
 Welcome to the Analyze page! Here, you can perform detailed
 analyses of your pharmacokinetic/pharmacodynamic (PK/PD) model,
 including local sensitivity analysis and other dynamical model
 assessments. Use this feature to gain valuable insights, identify
 critical parameters, and better understand the dynamics of your model.
 '''
-)
+widgets.about_page(page_description)
 widgets.divider_blank()
 st.error(
 '''

pages/compartmental/build.py

@@ -31,13 +31,12 @@ def about_step(text):
 # with col3:
 #     st.image("https://avatars.githubusercontent.com/u/163594810?s=200&v=4", width=100)
 
-st.write(
-    """
+page_description = """
 Welcome to the Build page! Here, you can create a new compartmental
 pharmacokinetic/pharmacodynamic (PK/PD) model using Aurora PK/PD's
 graphical, interactive step-by-step interface.
          """
-)
+widgets.about_page(page_description)
 
 st.write(" ")
 st.markdown("------")

pages/compartmental/visualize.py

@@ -7,14 +7,14 @@
 
 st.title("Visualize Your Model")
 widgets.divider_blank()
-st.write(
-'''
+page_description = '''
 Welcome to the Visualize page! Here, you can explore interactive network
 visualizations of your pharmacokinetic/pharmacodynamic (PK/PD) model
 compartments and species. Use this feature to gain deeper insights, identify key components,
 as well as better understand any complex interactions and relationships within your model.
 '''
-)
+widgets.about_page(page_description)
+
 widgets.divider_blank()
 
 if "model" in st.session_state: