feat: get project root config

src/config/__init__.py

@@ -1,4 +1,5 @@
 from ._cache import get_cache_dir
 from ._env import load_envs
+from ._path import get_project_root
 
-__all__ = ["load_envs", "get_cache_dir"]
+__all__ = ["load_envs", "get_cache_dir", "get_project_root"]

src/config/_path.py

@@ -0,0 +1,5 @@
+from pathlib import Path
+
+
+def get_project_root() -> Path:
+    return Path(__file__).parents[2].resolve()