feat: initialisation de ĞéoFlux — visualisation géographique Ğ1

- Carte Leaflet plein écran avec heatmap (OpenStreetMap, dark mode)
- Sélecteur de période 24h / 7j / 30j
- Panneau latéral : volume total, compteur de transactions, top 3 villes
- mockData.ts : 2 400 transactions simulées sur 24 villes FR/EU
- DataService.ts : abstraction prête pour branchement Subsquid/Ğ1v2
- Schémas Zod (g1.schema.ts) : validation runtime Duniter GVA + Cesium+
- Adaptateurs DuniterAdapter et CesiumAdapter (Ğ1v1, à migrer v2)
- Suite de tests Vitest : 43 tests, conformité schéma Ğ1 vérifiée

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

package.json

@@ -0,0 +1,45 @@
+{
+  "name": "-oflux",
+  "private": true,
+  "version": "0.0.0",
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "tsc -b && vite build",
+    "lint": "eslint .",
+    "preview": "vite preview",
+    "test": "vitest run",
+    "test:watch": "vitest",
+    "test:coverage": "vitest run --coverage"
+  },
+  "dependencies": {
+    "@types/leaflet": "^1.9.21",
+    "leaflet": "^1.9.4",
+    "leaflet.heat": "^0.2.0",
+    "react": "^19.2.4",
+    "react-dom": "^19.2.4",
+    "zod": "^4.3.6"
+  },
+  "devDependencies": {
+    "@eslint/js": "^9.39.4",
+    "@tailwindcss/vite": "^4.2.2",
+    "@testing-library/jest-dom": "^6.9.1",
+    "@testing-library/react": "^16.3.2",
+    "@testing-library/user-event": "^14.6.1",
+    "@types/node": "^24.12.0",
+    "@types/react": "^19.2.14",
+    "@types/react-dom": "^19.2.3",
+    "@vitejs/plugin-react": "^6.0.1",
+    "@vitest/coverage-v8": "^4.1.0",
+    "eslint": "^9.39.4",
+    "eslint-plugin-react-hooks": "^7.0.1",
+    "eslint-plugin-react-refresh": "^0.5.2",
+    "globals": "^17.4.0",
+    "jsdom": "^29.0.1",
+    "tailwindcss": "^4.2.2",
+    "typescript": "~5.9.3",
+    "typescript-eslint": "^8.57.0",
+    "vite": "^8.0.1",
+    "vitest": "^4.1.0"
+  }
+}