fix(code): Load data script from anywhere

Allow loading the script both through quarto using full absolute path and through
the command line using (I believe) a relative path.

src/data.py

@@ -1,7 +1,10 @@
 import io
 from pathlib import Path
 import sys
-from src import load_yaml
+try:
+    import src.load_yaml as yaml # for quarto document scripts
+except ModuleNotFoundError:
+    import load_yaml as yaml # for directly running the package
 from pandas import DataFrame, read_csv
 
 DEFAULT_YAML_PATH = Path("02-data/processed/relevant")
@@ -26,7 +29,7 @@ def to_tsv(studies: list[dict]) -> str:
 
 def from_yml(yml_path: Path | str = DEFAULT_YAML_PATH) -> DataFrame:
     yml_path = Path(yml_path).resolve()
-    studies = load_yaml.load(yml_path)
+    studies = yaml.load(yml_path)
     if not studies:
         raise ValueError(f"No studies found in directory {yml_path.resolve()}")
     tsv = to_tsv(studies)