Add CORS middleware to support requests from other origins

Rename existing (incorrectly-named) middleware module to make space!

src/aross_stations_db/api/__init__.py

@@ -1,4 +1,5 @@
 from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
 
 from aross_stations_db.api.v1.routes import router as v1_router
 
@@ -9,6 +10,13 @@
     ),
 )
 api.include_router(v1_router, prefix="/v1", tags=["v1"])
+api.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
 
 
 @api.get("/")

src/aross_stations_db/api/v1/climatology.py

@@ -5,11 +5,11 @@
 from geoalchemy2 import WKTElement
 from sqlalchemy.orm import Session
 
+from aross_stations_db.api.dependencies import get_db_session
 from aross_stations_db.api.v1.output import (
     ClimatologyJsonElement,
     climatology_query_results_to_json,
 )
-from aross_stations_db.middleware import get_db_session
 from aross_stations_db.query import climatology_query
 
 router = APIRouter()

src/aross_stations_db/api/v1/stations.py

@@ -5,11 +5,11 @@
 from geoalchemy2 import WKTElement
 from sqlalchemy.orm import Session
 
+from aross_stations_db.api.dependencies import get_db_session
 from aross_stations_db.api.v1.output import (
     StationsGeoJson,
     stations_query_results_to_geojson,
 )
-from aross_stations_db.middleware import get_db_session
 from aross_stations_db.query import stations_query
 
 router = APIRouter()

src/aross_stations_db/api/v1/timeseries.py

@@ -5,11 +5,11 @@
 from geoalchemy2 import WKTElement
 from sqlalchemy.orm import Session
 
+from aross_stations_db.api.dependencies import get_db_session
 from aross_stations_db.api.v1.output import (
     TimeseriesJsonElement,
     timeseries_query_results_to_json,
 )
-from aross_stations_db.middleware import get_db_session
 from aross_stations_db.query import timeseries_query
 
 router = APIRouter()