logdetective: use models directory on our secondary drive

roles/logdetective/tasks/main.yml

@@ -89,6 +89,11 @@
         path: /etc/profile.d/cudapath.sh
         line: export PATH=/usr/local/cuda-12.8/bin${PATH:+:${PATH}}
 
+    - name: Use models directory on our secondary drive
+      ansible.builtin.lineinfile:
+        path: /etc/profile.d/models.sh
+        line: export MODELS_PATH=/mnt/srv/models/
+
     # TODO Configure Podman to store data on our secondary drive in
     # /mnt/srv/containers_storage/
     # I couldn't figure how to do this, so I enlarged our primary disk from