feat(api): Add mock API routes for testing GIS lines and station names

- Created mock API route for fetching GIS lines data (/api/talas_v5_DB/gisLines/readGisLinesMock)
- Created mock API route for fetching station names data (/api/talas_v5_DB/station/getAllStationsNamesMock)
- Replaced original API calls in useLineData hook with mock routes for development and testing

pages/api/talas_v5_DB/station/getAllStationsNamesMock.js

@@ -0,0 +1,46 @@
+// /pages/api/talas_v5_DB/station/getAllStationsNamesMock.js
+
+export default function handler(req, res) {
+  // JSON-Daten hier
+  const stationNames = {
+    50035: "CPL Schulungssystem",
+    50036: "CPL Varel",
+    50039: "MIO Schulungssystem",
+    50040: "LTE-Modem Belecke",
+    50041: "LTE-Modem Halver",
+    50042: "LTE-Modem Lipperbruch",
+    50043: "GMA Bunde",
+    50044: "GMA Albrechtsplatz",
+    50045: "Cisco Router Engelbert",
+    50046: "Cisco-Router Schmallenberg",
+    50050: "GMA Testgerät",
+    50051: "GMA Beleke",
+    50052: "Router 1",
+    50055: "Testgerät 2",
+    50063: "Testgerät 1",
+    50064: "CPL Meldestation A",
+    50066: "CPL USV Raum",
+    50067: "Kontrollmodul 1",
+    50068: "Kontrollmodul 2",
+    50071: "Testgerät MIK-245",
+    50076: "SMS Funkmodem",
+    50077: "Notrufserver",
+    50078: "OGETest",
+    50079: "OGETest",
+    50080: "Insel",
+    50081: "CPL Test",
+    50082: "Buchhaim",
+    50083: "Zählstelle B35",
+    50084: "TEST JOL",
+    50085: "KH Westerstede (Master CPL 232)",
+    50086: "KH Oldenburg CPL 2 (Master CPL 233)",
+    50087: "PWC Gebäude A (LON, Slave von 232)",
+    50088: "PWC Gebäude B (CPL 231, Slave von 232)",
+    50089: "LR 77",
+    50091: "DC Server",
+    50092: "DZ WIS 1",
+  };
+
+  // Sende die JSON-Daten als Antwort
+  res.status(200).json(stationNames);
+}