add missing modules to documentation

docs/source/module/workflows/site/terminate_site.rst

+``gso.workflows.site.terminate_site``
+=====================================
+
+.. automodule:: gso.workflows.site.terminate_site
+   :members:
+   :show-inheritance:

docs/source/module/workflows/utils.rst

-``gso.workflows.utils``
-=======================
-
-.. automodule:: gso.workflows.utils
-   :members:
-   :show-inheritance:

docs/source/modules.rst

@@ -4,6 +4,13 @@ Sub-packages and -modules
 
 This page lists references to the documentation of all sub-packages and -modules that make up :term:`GSO`.
 
+``gso``
+^^^^^^^
+
+.. automodule:: gso
+   :members:
+   :show-inheritance:
+
 Subpackages
 -----------
 
@@ -14,7 +21,7 @@ Subpackages
    module/api/index
    module/cli/index
    module/products/index
-   module/schemas/index
+   module/schedules/index
    module/services/index
    module/utils/index
    module/workflows/index
@@ -22,6 +29,14 @@ Subpackages
 Submodules
 ----------
 
+``gso.main`` module
+^^^^^^^^^^^^^^^^^^^
+
+.. automodule:: gso.main
+   :members:
+   :undoc-members:
+   :show-inheritance:
+
 ``gso.settings`` module
 ^^^^^^^^^^^^^^^^^^^^^^^
 
@@ -29,3 +44,11 @@ Submodules
    :members:
    :undoc-members:
    :show-inheritance:
+
+``gso.worker`` module
+^^^^^^^^^^^^^^^^^^^^^
+
+.. automodule:: gso.worker
+   :members:
+   :undoc-members:
+   :show-inheritance: