Add ChangeLog and other example files

mosquitto.spec

@@ -70,6 +70,7 @@ FOE
 
 mkdir -p %{buildroot}%{_unitdir}
 install -p -m 0644 %{name}.service %{buildroot}%{_unitdir}/%{name}.service
+mv %{buildroot}%{_sysconfdir}/%{name}/%{name}.example %{buildroot}%{_sysconfdir}/%{name}/%{name}.conf
 
 %check
 #make test
@@ -93,13 +94,14 @@ exit 0
 /sbin/ldconfig
 
 %files
-%doc CONTRIBUTING.md readme.md
+%doc ChangeLog.txt CONTRIBUTING.md readme.md
 %license LICENSE.txt 
 %{_bindir}/*
 %{_sbindir}/*
 %{_libdir}/*.so.*
 %dir %{_sysconfdir}/%{name}
 %config(noreplace) %{_sysconfdir}/%{name}/%{name}.conf
+%config%{_sysconfdir}/%{name}/*.example
 %{_unitdir}/%{name}.service
 %{_mandir}/man1/*.1.*
 %{_mandir}/man5/*.5.*