* set up otel-collector and implement sending to logfire
* moved rest of the files for the demo into the folder
* update docker-compose.yaml and run_demo.sh to properly check for LOGFIRE_API_KEY
* refactor weather_forecast demo to only be one demo
* add a default docker-compose for e2e tests
* update based on requested changes
* fix replace comma with colon in readme
* remove weather_forecast_service folder, and make logfire demo fail instantly if no key is set
* remove the unused weather forecast service folder
* Changed stop_demo to only stop one file at a time
* update readme with new demo stopping setup
* Revert changes to end behavior
* fix silly formatting mistake
