fixed pathes, imports and build context

dispatcher/Dockerfile

docker-compose.yml

src/requirements.txt

src/run_mqtt_ingest.py

src/setup_user_database.py

src/sql/frost_views.sql

src/sql/postgres-ddl.sql

src/sql/postgres-dml.sql

src/sql/sta/datastream.sql

src/sql/sta/feature.sql

src/sql/sta/location.sql

src/sql/sta/observation.sql

src/sql/sta/observed_property.sql

src/sql/sta/schema_context.sql

src/sql/sta/sensor.sql

src/sql/sta/thing.sql

src/timeio/frost.py

src/timeio/thing.py