Fixing 404 page.

data/flags.json

@@ -4,6 +4,7 @@
     "en": "🇬🇧",
     "de": "🇩🇪",
     "es": "🇪🇸",
+    "pt": "🇵🇹",
     "it": "🇮🇹",
     "no": "🇳🇴",
     "fi": "🇫🇮",

layouts/404.html

@@ -1,3 +1,4 @@
+{{ define "main"}}
     <!--
     Omegamma - Hugo theme for ad5001.eu and related websites
 
@@ -16,6 +17,5 @@ GNU Affero General Public License for more details.
     You should have received a copy of the GNU Affero General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.
     -->
-{{ define "main"}}
     {{ partial "section1.html" (dict "Image" "" "Content" ("<h1>404. Page not found</h1><br><a role='button' class='primary' href='/'>Return to main page</a>" | safeHTML)) }}
 {{ end }}