docs: another round making file header comments more regular

Author: mhucka

.gitattributes

@@ -1,4 +1,4 @@
-# Repository-specific file attributes assignments for git.
+# Summary: repository-specific file attributes assignments for git.
 #
 # Copyright 2024 California Institute of Technology.
 # License: Modified BSD 3-clause – see file "LICENSE" in the project website.

.github/workflows/markdown-linter.yml

@@ -1,7 +1,8 @@
-# @file    markdown-linter.yml
-# @brief   GitHub Actions workflow to run a Markdown linter on .md files
-# @license Please see the file named LICENSE in the repository
-# @repo    https://github.com/caltechlibrary/template
+# GitHub Actions workflow to run a Markdown linter on .md files.
+#
+# Copyright 2024 California Institute of Technology.
+# License: Modified BSD 3-clause – see file "LICENSE" in the project website.
+# Website: https://github.com/caltechlibrary/template
 
 name: Lint Markdown files
 run-name: Lint Markdown files after ${{github.event_name}} by ${{github.actor}}

.gitignore

@@ -1,4 +1,4 @@
-# Rules for files and subdirectories to be ignored by git.
+# Summary: rules for files and subdirectories to be ignored by git.
 #
 # Copyright 2024 California Institute of Technology.
 # License: Modified BSD 3-clause – see file "LICENSE" in the project website.