Init with working version

Basic demo for Tally X AutoIxpert integration to showcase setup in
Go due to impossibility of open-sourcing n8n setup.

config.example.json

@@ -0,0 +1,6 @@
+{
+  "api_key": "autoIxpert-key",
+  "port": ":9080",
+  "api_base": "https://app.autoixpert.de/externalApi/v1",
+  "secret_key": "autoIxpert-secret"
+}