Added servers list and edit server

lib/widgets/servers_list/delete_modal.dart

@@ -0,0 +1,98 @@
+// ignore_for_file: use_build_context_synchronously
+
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+
+import 'package:adguard_home_manager/models/server.dart';
+import 'package:adguard_home_manager/providers/servers_provider.dart';
+
+class DeleteModal extends StatelessWidget {
+  final Server serverToDelete;
+
+  const DeleteModal({
+    Key? key,
+    required this.serverToDelete,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    final serversProvider = Provider.of<ServersProvider>(context);
+
+    void removeServer() async {
+      final deleted = await serversProvider.removeServer(serverToDelete);
+      Navigator.pop(context);
+      if (deleted == true) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(
+            content: Text(AppLocalizations.of(context)!.connectionRemoved),
+            backgroundColor: Colors.green,
+          )
+        );
+      }
+      else {
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(
+            content: Text(AppLocalizations.of(context)!.connectionCannotBeRemoved),
+            backgroundColor: Colors.red,
+          )
+        );
+      }
+    }
+
+    return AlertDialog(
+      title: Column(
+        children: [
+          const Icon(
+            Icons.delete,
+            size: 26,
+          ),
+          Padding(
+            padding: const EdgeInsets.only(top: 20),
+            child: Text(
+              AppLocalizations.of(context)!.remove,
+              style: const TextStyle(
+                fontSize: 24
+              ),
+            ),
+          ),
+        ],
+      ),
+      content: Column(
+        mainAxisSize: MainAxisSize.min,
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: [
+          Column(
+            children: [
+              Text(
+                AppLocalizations.of(context)!.removeWarning,
+                textAlign: TextAlign.center,
+              ),
+              const SizedBox(height: 10),
+              Center(
+                child: Text(
+                  "${serverToDelete.connectionMethod}://${serverToDelete.domain}${serverToDelete.path ?? ""}${serverToDelete.port != null ? ':${serverToDelete.port}' : ""}",
+                  style: const TextStyle(
+                    fontStyle: FontStyle.italic
+                  ),
+                ),
+              ),
+            ],
+          ),
+        ],
+      ),
+      actions: [
+        TextButton(
+          onPressed: () => {
+            Navigator.pop(context)
+          }, 
+          child: Text(AppLocalizations.of(context)!.cancel)
+        ),
+        TextButton(
+          onPressed: removeServer,
+          child: Text(AppLocalizations.of(context)!.remove),
+        ),
+      ],
+    );
+  }
+}