feat: split to weather and gismeteo modules

tests/test_gismeteo_api.py

@@ -0,0 +1,24 @@
+import datetime
+
+import pytest
+
+from gismeteo.api import GismeteoApi
+from gismeteo.mock import MOCK_DATA
+
+
+@pytest.fixture(name="gismeteo_api", scope="module")
+def gismeteo_api_fixture() -> GismeteoApi:
+    api = GismeteoApi()
+
+    async def _request(endpoint: str) -> str:
+        return MOCK_DATA.html
+
+    api._request = _request
+    return api
+
+
+async def test_api(gismeteo_api: GismeteoApi):
+    result = await gismeteo_api.get_day(
+        "zmiyevka", datetime.date.today() + datetime.timedelta(days=1)
+    )
+    assert len(result.values) == 8