Add DNF Counting SOP skeleton

Signed-off-by: Nils Philippsen <nils@redhat.com>

modules/sysadmin_guide/nav.adoc

@@ -21,6 +21,7 @@
 ** xref:datanommer.adoc[datanommer - SOP]
 ** xref:debuginfod.adoc[Fedora Debuginfod Service - SOP]
 ** xref:departing-admin.adoc[Departing admin - SOP]
+** xref:dnf-counting.adoc[DNF Counting - SOP]
 ** xref:dns.adoc[DNS repository for fedoraproject - SOP]
 ** xref:docs.fedoraproject.org.adoc[Docs - SOP]
 ** xref:fas-notes.adoc[Fedora Account System - SOP]

modules/sysadmin_guide/pages/dnf-counting.adoc

@@ -0,0 +1,24 @@
+= DNF Counting
+
+We use DNF Counting to get statistics about the number of Fedora
+installations.
+
+== Contact Information
+
+Owner::
+  Fedora Infrastructure Team
+Contact::
+  #fedora-admin, #fedora-noc
+Servers::
+  log01, proxy0*
+Purpose::
+  Give interested parties information about the number of Fedora
+  installations.
+Repositories::
+  * https://pagure.io/mirrors-countme
+  * https://pagure.io/fedora-infra/ansible/blob/main/f/roles/web-data-analysis
+
+== How it works
+
+Scripts sync http log files from proxies, combine the log data,
+summarize per Fedora version and spin, and produce graphs.