[skip ci] yaml templates added or modified

yaml_templates/sensor/SensorCamera.yaml

 type: "whatever"  # DOC The class name - TYPE string
 plugin: "whatever"  # DOC plugin where the class is implemented - TYPE string
 name: "whatever"  # DOC The sensor"s name. It has to be unique. - TYPE string
+enabled: true  # OPTIONAL - DOC Whether the sensor is enabled or not. If not, captures will not be processed when calling process(). - TYPE bool
 states:
   P:
     dynamic: false  # DOC If the position is dynamic, i.e. it changes along time. - TYPE bool