ansible: Add missing service files for fja.fi

ansible/files/fjaweb.service

+[Unit]
+Description=FJA web frontend
+
+[Service]
+Type=simple
+WorkingDirectory=/home/fja/eval
+Environment=PYTHONPATH=/home/fja/eval
+ExecStart=/usr/bin/uwsgi -s /run/uwsgi/fjaweb.socket \
+            --manage-script-name --plugin python3 \
+            --mount '/=evalweb:create_app()'
+User=fja
+Group=www-data
+Restart=always
+RestartSec=2
+TimeoutStopSec=300
+
+CPUAccounting=true
+MemoryAccounting=true
+Nice=10
+# quota for one CPU
+CPUQuota=10%
+MemoryHigh=800M
+MemoryMax=1G
+
+[Unit]
+StartLimitBurst=0
+StartLimitIntervalSec=0

ansible/files/fjaweb.socket

+[Unit]
+Description=Socket for FJA web frontend
+
+[Socket]
+ListenStream=/run/uwsgi/fjaweb.socket
+SocketUser=fja
+SocketGroup=www-data
+SocketMode=0660
+
+[Install]
+WantedBy=sockets.target
+