updated apidoc

doc/source/api/csst.common.rst

-csst.common.exception
----------------------
-
-.. automodule:: csst.common.exception
-   :members:
-   :show-inheritance:
+csst.common
+===========
 
 csst.common.data
 ----------------
 
 .. automodule:: csst.common.data
    :members:
+   :undoc-members:
+   :show-inheritance:
+
+csst.common.exception
+---------------------
+
+.. automodule:: csst.common.exception
+   :members:
+   :undoc-members:
    :show-inheritance:
 
 csst.common.processors
@@ -17,4 +22,5 @@ csst.common.processors
 
 .. automodule:: csst.common.processors
    :members:
+   :undoc-members:
    :show-inheritance:

doc/source/api/csst.msc.rst

+csst.msc
+========
+
 csst.msc.data
 -------------
 
@@ -5,12 +8,9 @@ csst.msc.data
    :members:
    :show-inheritance:
 
-.. seealso:: :py:mod:`csst.common.data`
-
 csst.msc.instrument
 -------------------
 
 .. automodule:: csst.msc.instrument
    :members:
    :show-inheritance:
-