Add traefik example conf

doc/traefik/traefik.yml

@@ -0,0 +1,26 @@
+providers:
+  docker:
+    # Do not expose containers by default
+    exposedbydefault: False
+
+entryPoints:
+  web:
+    address: ":80"
+    http:
+      redirections:
+        entryPoint:
+          to: web-secure
+          scheme: https
+  websecure:
+    address: ":443"
+  rtmpsecure:
+    address: ":1935"
+
+certificatesResolvers:
+  le:
+    acme:
+      email: root@example.com
+      storage: /data/acme.json
+      httpChallenge:
+        entryPoint: web
+