feat: add missing camera examples

Author: kakopappa

.github/workflows/build-esp32-camera-examples.yaml

@@ -8,6 +8,8 @@ env:
   SKETCHES: |
     examples/Camera/motion-capture
     examples/Camera/snapshot-camera
+    examples/Camera/mjpeg-camera
+    examples/Camera/rtsp-camera
 
 jobs:
   compile-camera-examples: