Revert "Rename everything filcnaplo-related to refilc"

This reverts commit d1a9625d93.

filcnaplo_mobile_ui/lib/screens/navigation/navigation_route.dart

@@ -0,0 +1,25 @@
+class NavigationRoute {
+  late String _name;
+  late int _index;
+
+  final List<String> _internalPageMap = [
+    "home",
+    "grades",
+    "timetable",
+    "messages",
+    "absences",
+  ];
+
+  String get name => _name;
+  int get index => _index;
+
+  set name(String n) {
+    _name = n;
+    _index = _internalPageMap.indexOf(n);
+  }
+
+  set index(int i) {
+    _index = i;
+    _name = _internalPageMap.elementAt(i);
+  }
+}