Initial prototype

Change-Id: I60a94e90aab48dfcf7c1f03fe5613d1db7d0df95
diff --git a/cmd/hichipbridge/config.sample.json b/cmd/hichipbridge/config.sample.json
new file mode 100644
index 0000000..a0ad7d7
--- /dev/null
+++ b/cmd/hichipbridge/config.sample.json
@@ -0,0 +1,14 @@
+{
+    "log_file": "stderr",
+    "log_level": "debug",
+    "backend_config": {
+        "log_received_mails": false
+    },
+    "servers": [{
+        "is_enabled": true,
+        "max_size": 1000000,
+        "listen_interface": "0.0.0.0:25",
+        "timeout": 30,
+        "max_clients": 3
+    }]
+}