start adding login flow

lib/widgets/divider_text.dart

@@ -0,0 +1,29 @@
+import "package:flutter/material.dart";
+
+class DividerText extends StatelessWidget {
+  final String text;
+
+  const DividerText(this.text, {super.key});
+
+  @override
+  Widget build(BuildContext context) => LayoutBuilder(
+    builder: (context, constraints) => Row(
+      children: [
+        SizedBox(
+          width: 16,
+          child: Divider(color: Theme.of(context).colorScheme.onSurface),
+        ),
+        ConstrainedBox(
+          constraints: BoxConstraints(maxWidth: constraints.maxWidth - 32),
+          child: Padding(
+            padding: const EdgeInsets.all(8),
+            child: Text(text, style: Theme.of(context).textTheme.labelLarge),
+          ),
+        ),
+        Expanded(
+          child: Divider(color: Theme.of(context).colorScheme.onSurface),
+        ),
+      ],
+    ),
+  );
+}