add launchfile back

.gitignore

@@ -1,2 +1 @@
-.vscode/
-src/prm_launch/launch/video2detector.py
+.vscode/

src/prm_launch/launch/video2detector.py

@@ -0,0 +1,30 @@
+from launch import LaunchDescription
+from launch_ros.actions import Node
+
+from ament_index_python.packages import get_package_share_path
+
+import os
+
+def generate_launch_description():
+    webcam_publisher = get_package_share_path('webcam_publisher')
+    video_path = "/home/user-accounts/public/spintop/moving_but_no_spinning.avi" # example, can change to your liking
+    return LaunchDescription([
+        Node(
+            package='webcam_publisher',
+            output='screen',
+            emulate_tty=True,
+            executable='VideoCaptureNode',
+            parameters=[{'source': str(video_path),
+                         'fps': 4,
+                         'frame_id': 'video',
+                         }]    
+        ), 
+        Node(
+            package='opencv_armor_detector',
+            executable='OpenCVArmorDetectorNode',  
+        ),
+        Node(
+            package='pose_estimator',
+            executable='PoseEstimatorNode',
+        ),
+    ])