Fix Gitea trying to install what has already been installed

roles/gitea/templates/gitea.service

@@ -0,0 +1,26 @@
+[Unit]
+Description=Gitea (Git with a cup of tea)
+After=syslog.target
+After=network.target
+Requires=mariadb.service
+Requires=redis.service
+
+[Service]
+# Modify these two values and uncomment them if you have
+# repos with lots of files and get an HTTP error 500 because
+# of that
+###
+#LimitMEMLOCK=infinity
+#LimitNOFILE=65535
+RestartSec=2s
+Type=simple
+User=git
+Group=git
+WorkingDirectory=/var/lib/gitea/
+ExecStart=/usr/local/bin/gitea web --config /etc/gitea/app.ini
+Restart=always
+Environment=USER=git HOME=/home/git GITEA_WORK_DIR=/var/lib/gitea
+
+[Install]
+WantedBy=multi-user.target
+