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/

.gitignore

@@ -8,3 +8,9 @@ tools/openocpp/.git
 tools/*/node_modules
 tools/*/dist
 tools/*/__pycache__
+tools/*/node_modules
+tools/*/dist
+tools/*/__pycache__
+tools/*/.git
+*.zip
+tools/citrineos-core-main/src