add: agent template

agent/src/schema/aggregated_data_schema.py

@@ -0,0 +1,9 @@
+from marshmallow import Schema, fields
+from schema.accelerometer_schema import AccelerometerSchema
+from schema.gps_schema import GpsSchema
+
+
+class AggregatedDataSchema(Schema):
+    accelerometer = fields.Nested(AccelerometerSchema)
+    gps = fields.Nested(GpsSchema)
+    time = fields.DateTime("iso")