Remove export directories from repository

- Remove exports/ and export_2025-07-07/ from git tracking
- Add exports/ and export_*/ patterns to .gitignore
- Keep directories locally for data exports
- These directories contain generated/temporary data files

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

.gitignore

@@ -27,3 +27,5 @@ venv/
 .DS_Store
 Thumbs.db
 .claude/
+exports/
+export_*/

exports/daily/indices_atmo_20250707.csv

@@ -1,3 +0,0 @@
-aasqa,code_qualificatif,code_zone,date,latitude,longitude,nom_aasqa,nom_zone,polluant_principal,qualificatif,valeur
-11,2,75056,2024-07-07,48.8566,2.3522,Airparif,Paris,PM10,Moyen,45.2
-11,3,92012,2024-07-07,48.8584,2.2945,Airparif,Boulogne-Billancourt,NO2,Dégradé,52.8

exports/qualite_air/paris_2024.json

@@ -1,47 +0,0 @@
-{
-  "type": "FeatureCollection",
-  "features": [
-    {
-      "type": "Feature",
-      "geometry": {
-        "type": "Point",
-        "coordinates": [
-          2.3522,
-          48.8566
-        ]
-      },
-      "properties": {
-        "code_zone": "75056",
-        "nom_zone": "Paris",
-        "aasqa": "11",
-        "nom_aasqa": "Airparif",
-        "date": "2024-07-07",
-        "code_qualificatif": "2",
-        "qualificatif": "Moyen",
-        "polluant_principal": "PM10",
-        "valeur": 45.2
-      }
-    },
-    {
-      "type": "Feature",
-      "geometry": {
-        "type": "Point",
-        "coordinates": [
-          2.2945,
-          48.8584
-        ]
-      },
-      "properties": {
-        "code_zone": "92012",
-        "nom_zone": "Boulogne-Billancourt",
-        "aasqa": "11",
-        "nom_aasqa": "Airparif",
-        "date": "2024-07-07",
-        "code_qualificatif": "3",
-        "qualificatif": "Dégradé",
-        "polluant_principal": "NO2",
-        "valeur": 52.8
-      }
-    }
-  ]
-}