Adding camera for franka

examples/franka/camera.yaml

@@ -0,0 +1,20 @@
+nodes:
+  - id: camera
+    build: pip install -e ../../node-hub/dora-pyrealsense
+    path: dora-pyrealsense
+    inputs:
+      tick: dora/timer/millis/20
+    outputs:
+      - image
+    env:
+      DEVICE_ID: 0
+      IMAGE_WIDTH: 640
+      IMAGE_HEIGHT: 480
+
+  - id: plot
+    build: pip install ../../node-hub/opencv-plot
+    path: opencv-plot
+    inputs:
+      image:
+        source: camera/image
+        queue_size: 1