chore(ml): installable package (#17153)

* app -> immich_ml

* fix test ci

* omit file name

* add new line

* add new line

machine-learning/scripts/healthcheck.py

@@ -0,0 +1,14 @@
+import os
+import sys
+
+import requests
+
+port = os.getenv("IMMICH_PORT", 3003)
+
+try:
+    response = requests.get(f"http://localhost:{port}/ping", timeout=2)
+    if response.status_code == 200:
+        sys.exit(0)
+    sys.exit(1)
+except requests.RequestException:
+    sys.exit(1)