Tool/naip fetcher (#12)

* Add initial NAIP fetcher

* Swap to Element84's EarthSearch API for NAIP STAC search and download

* clip to bounds of aoi

* Swap to Element84's EarthSearch API for NAIP STAC search and download

* rename bands and remove dask chunking

* Add DS_Store to .gitignore

* restrict date range for naip test

* Adjust timerange for tests

* Add xarray to pyproj

* Reduce aoi size

* revert test to use tmp path

* Update return types for tool to ensure state gets updated

* Mark naip test as xfail

* Fix geom creation

---------

Co-authored-by: lillythomas <lillyelizathomas@gmail.com>
Co-authored-by: Daniel Wiesmann <yellowcap@users.noreply.github.com>

tests/tools/test_buffer.py

@@ -12,7 +12,12 @@ def geo_assistant_fixture():
         geometry=Point(type="Point", coordinates=[-9.1393, 38.7223]),
         properties={"name": "Neighbourhood Cafe Lisbon"},
     )
-    return GeoAssistantState(place=place_geojson, search_area=None, messages=[])
+    return GeoAssistantState(
+        place=place_geojson,
+        search_area=None,
+        messages=[],
+        naip_png_path="path/to/naip.png",
+    )
 
 
 async def test_get_search_area(geo_assistant_fixture):
@@ -37,4 +42,4 @@ async def test_get_search_area(geo_assistant_fixture):
 
     # Verify the buffer was created around the correct place
     search_area = command.update["search_area"]
-    assert search_area["type"] == "Polygon"
+    assert search_area.geometry.type == "Polygon"