Move example files to extras directory

extras/discord-embed.socket

@@ -0,0 +1,11 @@
+[Unit]
+Description=Socket that Nginx will use to communicate with Gunicorn.
+
+[Socket]
+ListenStream=/run/discord-embed.sock
+
+# Change this to the user that runs nginx. On Arch it is http, on others it is www-data. You can check with "ps aux | grep nginx"
+SocketUser=http
+
+[Install]
+WantedBy=sockets.target