feat(repo): Add poe observation extraction task

Extracts the yml data into a single csv file which can
be more easily exported and imported into other
applications. CSV file contains a row per observation.

pyproject.toml

@@ -38,3 +38,8 @@ cmd = "quarto render"
 [tool.poe.tasks.edit]
 help = "Edit the main project file in-environment"
 cmd = "nvim"
+[tool.poe.tasks.extract]
+help = "Extract the csv data from raw yaml files"
+shell = """
+python src/data.py > 02-data/processed/extracted.csv
+"""