Updated config examples.

config_examples/mysql_credentials_with_tunnel_config.json

@@ -0,0 +1,18 @@
+{
+  "connection_details": {
+    "engine": "mysql",
+    "host": "the-actual-host",
+    "port": 3306,
+    "user": "your_user",
+    "password": "your_password",
+    "schema": "comprea",
+    "ssh_tunneling": {
+      "use_tunnel": true,
+      "ssh_host": "the_ssh_tunnel_host",
+      "ssh_username": "the_ssh_tunnel_user",
+      "ssh_port": 22,
+      "path_to_key": "G:\\path\\to\\ssh\\key.pem",
+      "ssh_private_key_password": "my_keys_password"
+    }
+  }
+}