Dodaj react-router-dom, mape tras i ProtectedRoute

Fundament migracji z useState(view) na prawdziwy routing:
- react-router-dom 7 w zaleznosciach
- BrowserRouter w main.tsx (nginx ma juz try_files, wiec czyste sciezki dzialaja)
- routes.ts: centralna mapa adresow + helpery listingPath/mapPath/adminTabPath
- ProtectedRoute z obsluga stanu loading z AuthProvider

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

frontend/package-lock.json

@@ -11,7 +11,8 @@
         "@types/pdfmake": "^0.3.3",
         "pdfmake": "^0.3.11",
         "react": "18.3.1",
-        "react-dom": "18.3.1"
+        "react-dom": "18.3.1",
+        "react-router-dom": "^7.18.1"
       },
       "devDependencies": {
         "@types/react": "18.3.12",
@@ -536,6 +537,19 @@
         "node": ">=0.8"
       }
     },
+    "node_modules/cookie": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-1.1.1.tgz",
+      "integrity": "sha512-ei8Aos7ja0weRpFzJnEA9UHJ/7XQmqglbRwnf2ATjcB9Wq874VKH9kfjjirM6UhU2/E5fFYadylyhFldcqSidQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
     "node_modules/csstype": {
       "version": "3.2.3",
       "resolved": "https://registry.npmjs.org/csstype/-/csstype-3.2.3.tgz",
@@ -1039,6 +1053,44 @@
         "react": "^18.3.1"
       }
     },
+    "node_modules/react-router": {
+      "version": "7.18.1",
+      "resolved": "https://registry.npmjs.org/react-router/-/react-router-7.18.1.tgz",
+      "integrity": "sha512-GDLgg3i3uM0aeJO3Fm+TCS+sDQ7gu12T6x0qdTEzcwqEfleci7JwugVNIF3U//0FWKnJT7ptG+20B2jfDqnZAg==",
+      "license": "MIT",
+      "dependencies": {
+        "cookie": "^1.0.1",
+        "set-cookie-parser": "^2.6.0"
+      },
+      "engines": {
+        "node": ">=20.0.0"
+      },
+      "peerDependencies": {
+        "react": ">=18",
+        "react-dom": ">=18"
+      },
+      "peerDependenciesMeta": {
+        "react-dom": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/react-router-dom": {
+      "version": "7.18.1",
+      "resolved": "https://registry.npmjs.org/react-router-dom/-/react-router-dom-7.18.1.tgz",
+      "integrity": "sha512-KaZh+X/6UtEp28x51AUYZDMg9NGoz2ja3dNHa+ta/tk40vCzKhQ/RypCWBMLbmDr6//E24Vv5uPsrqXFozdkAg==",
+      "license": "MIT",
+      "dependencies": {
+        "react-router": "7.18.1"
+      },
+      "engines": {
+        "node": ">=20.0.0"
+      },
+      "peerDependencies": {
+        "react": ">=18",
+        "react-dom": ">=18"
+      }
+    },
     "node_modules/restructure": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/restructure/-/restructure-3.0.2.tgz",
@@ -1097,6 +1149,12 @@
         "loose-envify": "^1.1.0"
       }
     },
+    "node_modules/set-cookie-parser": {
+      "version": "2.7.2",
+      "resolved": "https://registry.npmjs.org/set-cookie-parser/-/set-cookie-parser-2.7.2.tgz",
+      "integrity": "sha512-oeM1lpU/UvhTxw+g3cIfxXHyJRc/uidd3yK1P242gzHds0udQBYzs3y8j4gCCW+ZJ7ad0yctld8RYO+bdurlvw==",
+      "license": "MIT"
+    },
     "node_modules/source-map-js": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.2.1.tgz",