add oxi manager

settings.py

@@ -0,0 +1,15 @@
+import os
+from dotenv import load_dotenv
+
+
+class Settings:
+    def __init__(self):
+        load_dotenv()
+        self.nb_url = os.getenv("NETBOX_URL")
+        self.nb_token = os.getenv("NETBOX_TOKEN")
+        self.oxi_url = os.getenv("OXIDIZED_URL")
+        self.oxi_username = os.getenv("OXIDIZED_USERNAME")
+        self.oxi_password = os.getenv("OXIDIZED_PASSWORD")
+
+
+settings = Settings()