Created example config and ignored main config.json file

.gitignore

@@ -1,4 +1,12 @@
-.DS_Store
+# config file - copy config.json.example
+src/config.json
+
+# Build directory
+dist/
+
+# Node packages
 node_modules/
 npm-debug.log
-dist/
+
+# MacOS trash
+.DS_Store

src/config.json.example

@@ -0,0 +1,4 @@
+{
+    "SEASONED_URL": "http://localhost:31459/api",
+    "ELASTIC_URL": "http://localhost:9200"
+}