Validate doc type data during build

documents/conf.py

@@ -10,12 +10,14 @@
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
 #
+import datetime
 import os
 import sys
 
 SRC = os.path.abspath("../src")
 sys.path.insert(0, SRC)
-import datetime
+
+from nrsk.documents.validate import validate_doc_types
 
 # -- Project information -----------------------------------------------------
 company_name = "Applied Maritime Sciences, LLC"
@@ -198,3 +200,7 @@ intersphinx_mapping = {
     "pydantic": ("https://docs.pydantic.dev/latest", None),
     "python": ("https://docs.python.org/3", None),
 }
+
+
+def setup(app):
+    app.connect("builder-inited", validate_doc_types)