Add FlexMeasures plugins, USEF protocol, and Cariflex simulator

- flexmeasures-entsoe: ENTSO-E data plugin
- flexmeasures-weather: Weather data plugin
- USEF Flex Trading Protocol PDF (2.4MB)
- Cariflex simulator (publishes to Redis)
- Dashboard Grafana updated with correct InfluxDB queries
- All tools extracted in /tools/

tools/flexmeasures-weather/flexmeasures_weather/cli/tests/utils.py

@@ -0,0 +1,37 @@
+from typing import List
+from datetime import datetime, timedelta
+from flask import current_app
+from flexmeasures.utils.time_utils import as_server_time, get_timezone
+
+
+def cli_params_from_dict(d) -> List[str]:
+    cli_params = []
+    for k, v in d.items():
+        cli_params.append(f"--{k}")
+        cli_params.append(v)
+    return cli_params
+
+
+def mock_api_response(api_key, location):
+    mock_date = datetime.now()
+    mock_date_tz_aware = as_server_time(
+        datetime.fromtimestamp(mock_date.timestamp(), tz=get_timezone())
+    ).replace(second=0, microsecond=0)
+
+    provider = str(current_app.config.get("WEATHER_PROVIDER", ""))
+    date_key = "dt"
+    temp_key = "temp"
+    wind_speed_key = "wind_speed"
+    if provider == "WAPI":
+        date_key = "time_epoch"
+        temp_key = "temp_c"
+        wind_speed_key = "wind_kph"
+
+    return mock_date_tz_aware, [
+        {date_key: mock_date.timestamp(), temp_key: 40, wind_speed_key: 100},
+        {
+            date_key: (mock_date + timedelta(hours=1)).timestamp(),
+            temp_key: 42,
+            wind_speed_key: 90,
+        },
+    ]