odl: Introduce teacher-student python out-of-the-box app

Add GTK python based out-of-the-box application for
teacher-student on object-detection use case.

Signed-off-by: Othmane AHL ZOUAOUI <[email protected]>

Author: mguSTM

recipes-samples/on-device-learning/files/teacher_student/501-odl-teacher-student-object-detection-py-ort.yaml

@@ -0,0 +1,15 @@
+Application:
+    Name: Teacher-student learning
+    Description: SSD MobileNetV2 + RT-DETR
+    Icon: ../x-linux-ai/resources/ODL_teacher_student_py.png
+    Board:
+        List: all
+    Type: script
+    Script:
+        Exist:
+            File: /usr/local/x-linux-ai/resources/check_camera_preview.sh
+            Msg_false: Camera is not connected
+        Start: ../x-linux-ai/on-device-learning/launch_python_odl_teacher_student_obj_detect.sh
+    Action:
+        button_release_event: script_management
+        button_press_event: highlight_eventBox

recipes-samples/on-device-learning/files/teacher_student/launch_python_odl_teacher_student_obj_detect.sh

@@ -0,0 +1,19 @@
+#!/bin/sh
+#
+# Copyright (c) 2025 STMicroelectronics.
+# All rights reserved.
+#
+# This software is licensed under terms that can be found in the LICENSE file
+# in the root directory of this software component.
+# If no LICENSE file comes with this software, it is provided AS-IS.
+
+weston_user=$(ps aux | grep '/usr/bin/weston '|grep -v 'grep'|awk '{print $1}')
+source /usr/local/x-linux-ai/resources/config_board.sh
+cmd="python3 /usr/local/x-linux-ai/on-device-learning/odl_teacher_student_obj_detect.py -t /usr/local/x-linux-ai/on-device-learning/teacher_model/rt-detr/rtdetr-l.onnx -l /usr/local/x-linux-ai/on-device-learning/student_model/ssd_mobilenet_v2/labels.txt  --training_artifacts_path /usr/local/x-linux-ai/on-device-learning/student_model/ssd_mobilenet_v2/training_artifacts/"
+
+if [ "$weston_user" != "root" ]; then
+	echo "user : "$weston_user
+	script -qc "su -l $weston_user -c '$cmd'"
+else
+	$cmd
+fi