add payton's sections to chapter 9; remove unnecessary sections/screenshots, reformat as necessary

chapters/devopsIntroduction.tex

@@ -10,8 +10,8 @@ This document records the configuration of the development environment used for
 \CourseNumber\ and the working practices followed to produce it.
 Each chapter covers one subject, and each assignment adds or revises chapters
 as recorded in the document history. The latest revision for Assignment~\AssignmentNumber\
-adds \ChapterRef{GiteaFoundation}, recording the initial Gitea deployment
-and the pending checks required to complete the assignment.
+adds \ChapterRef{GiteaFoundation}, recording the Gitea deployment, HTTPS, firewall,
+persistence testing, and team workflow.
 Earlier coursework chapters are retained.
 
 \section{Scope and Constraints}
@@ -63,7 +63,7 @@ the Template Attribution page. The template's instructional example chapter and
 its template-maintenance appendices have been removed, since they describe how
 to author the template rather than the environment this document records.
 
-\ChapterRef{GiteaFoundation} records the persistent work hub, team access, and pending domain, HTTPS, and workflow evidence.
+\ChapterRef{GiteaFoundation} records the persistent work hub, domain and DNS, HTTPS, firewall, persistence testing, and team workflow.
 
 \section{Tools and AI Assistance}
 \index{AI assistance}