Create initial message schemas

Closes #7 (closed)

examples/autonomy_engine_adapter/acknowledgement.json

+{
+    "header":{
+        "message_ID": "b427003c-0000-11aa-a1eb-bvcdfghjgfdd",
+        "timestamp": "2022-11-16T00:00:00Z",
+        "version": 1,
+        "source": "hydrosurv_adapter",
+        "destination": "autonomy_engine",
+        "delivery_type": "publish",
+        "encoded": false
+    },
+    "payload":{
+        "message_type": "acknowledgement",
+        "acknowledged_message_ID": "11111111-7bc8-11ed-a1eb-0242ac999999",
+        "status": "c2_received"
+    }
+}
\ No newline at end of file

examples/autonomy_engine_adapter/mission_plan_ECOSUB.json

         "flight_style": "go to surface",
         "latitude_waypoint": -0.237143188645706,
         "longitude_waypoint": 52.37072283932642,
-        "depth": 0.0,
+        "depth": 0,
         "activate_payload": false,
         "send_environmental_data": true
       }

examples/autonomy_engine_adapter/platform_status-from_usbl_example.json

+{
+    "header":{
+        "message_ID": "b427003c-0000-11aa-a1eb-bvcdfghjgfdd",
+        "timestamp": "2022-11-16T00:00:00Z",
+        "version": 2,
+        "source": "hermes",
+        "destination": "autonomy_engine",
+        "delivery_type": "publish",
+        "encoded": false
+    },
+    "payload":{
+        "message_type": "platform_status",
+        "platform_ID": "ecosub-5",
+        "platform_timestamp": "2022-12-21T00:00:00Z",
+        "status_source": "usbl",
+        "latitude": 178.2,
+        "longitude": -10.122,
+        "depth": 50,
+        "altitude": 20
+    }
+}

examples/autonomy_engine_adapter/platform_status.json

+{
+    "header":{
+        "message_ID": "b427003c-0000-11aa-a1eb-bvcdfghjgfdd",
+        "timestamp": "2022-11-16T00:00:00Z",
+        "version": 2,
+        "source": "ecosub_c2",
+        "destination": "autonomy_engine",
+        "delivery_type": "publish",
+        "encoded": false
+    },
+    "payload":{
+        "message_type": "platform_status",
+        "platform_ID": "ecosub-2",
+        "platform_timestamp": "2022-12-21T00:00:00Z",
+        "status_source": "onboard_platform",
+        "autonomy_engine_plan_ID": 1,
+        "battery_remaining_capacity": 80.2,
+        "active": true,
+        "platform_state": "ABORT",
+        "mission_action_ID": 1,
+        "mission_track_ID": 4,
+        "latitude": 178.2,
+        "longitude": -10.122,
+        "depth": 50,
+        "altitude": 20,
+        "heading": 90.0,
+        "health_status": "Warning",
+        "localisation_error": 0,
+        "usbl_fix_seconds_ago": 0,
+        "range_to_go": 124.3,
+        "sensor_config": {
+            "sensor_ID": 22,
+            "serial": "sidescan-2x",    
+            "sensor_on": true,
+            "additional_data": {
+                "whiskers_on": true
+            }      
+        },
+        "current_pitch": -4,
+        "speed_over_ground": 4.3,
+        "thrust_applied": 124.3,
+        "water_current_velocity": 124.3
+    }
+}