ground_suite: init template layout

Signed-off-by: Onur Özkan <work@onurozkan.dev>

ground_suite/lib/app.dart

@@ -0,0 +1,90 @@
+import 'package:flutter/material.dart';
+
+class GroundSuiteApp extends StatelessWidget {
+  const GroundSuiteApp({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: 'Kaptan Ground Suite',
+      debugShowCheckedModeBanner: false,
+      theme: ThemeData(
+        scaffoldBackgroundColor: const Color(0xFF090E0C),
+        colorScheme: const ColorScheme.dark(
+          primary: Color(0xFF30E879),
+          surface: Color(0xFF101713),
+          onSurface: Color(0xFFE5EEE8),
+          onSurfaceVariant: Color(0xFF97AA9F),
+          outline: Color(0xFF26372E),
+        ),
+        dividerTheme: const DividerThemeData(
+          color: Color(0xFF26372E),
+          thickness: 1,
+          space: 1,
+        ),
+      ),
+      home: const _AppShell(),
+    );
+  }
+}
+
+class _AppShell extends StatelessWidget {
+  const _AppShell();
+
+  @override
+  Widget build(BuildContext context) {
+    final colors = Theme.of(context).colorScheme;
+
+    return Scaffold(
+      body: SafeArea(
+        child: Column(
+          children: [
+            ColoredBox(
+              color: colors.surface,
+              child: Padding(
+                padding: const EdgeInsets.symmetric(
+                  horizontal: 20,
+                  vertical: 12,
+                ),
+                child: Row(
+                  children: [
+                    Icon(
+                      Icons.navigation_outlined,
+                      color: colors.primary,
+                      size: 20,
+                    ),
+                    const SizedBox(width: 14),
+                    Expanded(
+                      child: Column(
+                        crossAxisAlignment: CrossAxisAlignment.start,
+                        children: [
+                          const Text(
+                            'KAPTAN',
+                            style: TextStyle(
+                              fontSize: 20,
+                              fontWeight: FontWeight.w700,
+                              letterSpacing: 3,
+                            ),
+                          ),
+                          Text(
+                            'GROUND SUITE',
+                            style: TextStyle(
+                              fontSize: 9,
+                              letterSpacing: 2,
+                              color: colors.onSurfaceVariant,
+                            ),
+                          ),
+                        ],
+                      ),
+                    ),
+                  ],
+                ),
+              ),
+            ),
+            const Divider(),
+          ],
+        ),
+      ),
+    );
+  }
+}