add: edge template

edge/config.py

@@ -0,0 +1,24 @@
+import os
+
+
+def try_parse_int(value: str):
+    try:
+        return int(value)
+    except Exception:
+        return None
+
+
+# Configuration for agent MQTT
+MQTT_BROKER_HOST = os.environ.get("MQTT_BROKER_HOST") or "localhost"
+MQTT_BROKER_PORT = try_parse_int(os.environ.get("MQTT_BROKER_PORT")) or 1883
+MQTT_TOPIC = os.environ.get("MQTT_TOPIC") or "agent_data_topic"
+
+# Configuration for hub MQTT
+HUB_MQTT_BROKER_HOST = os.environ.get("HUB_MQTT_BROKER_HOST") or "localhost"
+HUB_MQTT_BROKER_PORT = try_parse_int(os.environ.get("HUB_MQTT_BROKER_PORT")) or 1883
+HUB_MQTT_TOPIC = os.environ.get("HUB_MQTT_TOPIC") or "processed_agent_data_topic"
+
+# Configuration for the Hub
+HUB_HOST = os.environ.get("HUB_HOST") or "localhost"
+HUB_PORT = try_parse_int(os.environ.get("HUB_PORT")) or 12000
+HUB_URL = f"http://{HUB_HOST}:{HUB_PORT}"