Add some more explanations

Author: mhucka

setup.cfg

@@ -4,6 +4,13 @@
 # @created %CREATION_DATE%
 # @license Please see the file named LICENSE in the project directory
 # @website https://github.com/caltechlibrary/%REPO_NAME%
+#
+#  ╭─────────────────────── Notice ── Notice ── Notice ──────────────────────╮
+#  | This file is the authority for the version number and other values that |
+#  | are found in the module __init__.py file. The values in __init__.py are |
+#  | substituted by running "make update-init".                              |
+#  ╰─────────────────────── Notice ── Notice ── Notice ──────────────────────╯
+#
 # =============================================================================
 
 [metadata]