fixed gitignore and first run issue

templates/wg0.conf.j2

@@ -8,7 +8,11 @@ ListenPort = {{ wg_listen_port }}
 MTU = {{ wg_mtu }}
 PrivateKey = {{ wg_relay_effective_private_key }}
 
-{% for peer in wg_peers %}
+{% if wg_active_peers | length == 0 %}
+# No peer has a real public key yet. The interface comes up with no peers so
+# this side can generate and print its key; add the peer's key and re-run.
+{% endif %}
+{% for peer in wg_active_peers %}
 # {{ peer.name }}
 [Peer]
 PublicKey = {{ peer.public_key }}