refactor: change repository path to /srv/www/repo for SELinux compliance

- Update Caddy tasks and templates to serve from /srv/www/repo.
- Update Koji Hub export script to target /srv/www/repo/.
- Redeploy Caddy config via Ansible.
- Update ADR-05 and package compilation documentation.
- Log progress in the project journal.

Co-developed-by: Gemini AI <renich+gemini@woralelandia.com>
Signed-off-by: Rénich Bon Ćirić <renich@woralelandia.com>

roles/caddy/tasks/main.yaml

@@ -11,7 +11,7 @@
 
 - name: Create repository directory
   ansible.builtin.file:
-    path: /srv/repo
+    path: /srv/www/repo
     state: directory
     mode: '0755'
     owner: root