feat: add form components and UI elements for enhanced user interaction

- Introduced Form, FormField, FormItem, FormLabel, FormControl, FormDescription, FormMessage components for structured form handling.
- Added Input, Textarea, and Select components for user input.
- Implemented Label and Separator components for better UI organization.
- Created Skeleton component for loading states.
- Developed Toast and Toaster components for user notifications.
- Integrated useToast hook for managing toast notifications.
- Established AI analysis functionality with analyzeJournalWithLocalAI.
- Set up Dexie for local database management with Journal and Task models.
- Configured Supabase client for server-side and browser-side interactions.
- Defined database schema for journals, tasks, chat sessions, and messages with Row Level Security policies.

Co-authored-by: Copilot <copilot@github.com>

app/login/page.tsx

@@ -0,0 +1,42 @@
+import { login, signup } from './actions'
+import { Button } from '@/components/ui/button'
+import { Input } from '@/components/ui/input'
+import { Label } from '@/components/ui/label'
+import { Card, CardContent, CardDescription, CardFooter, CardHeader, CardTitle } from '@/components/ui/card'
+
+export default function LoginPage() {
+  return (
+    <div className="flex items-center justify-center min-h-screen bg-background">
+      <Card className="w-full max-w-md">
+        <CardHeader className="space-y-1">
+          <CardTitle className="text-2xl font-bold text-center">MindSpace</CardTitle>
+          <CardDescription className="text-center">
+            Hesabınıza giriş yapın veya yeni hesap oluşturun
+          </CardDescription>
+        </CardHeader>
+        <CardContent>
+          <form>
+            <div className="space-y-4">
+              <div className="space-y-2">
+                <Label htmlFor="email">E-posta</Label>
+                <Input id="email" name="email" type="email" placeholder="ornek@mail.com" required />
+              </div>
+              <div className="space-y-2">
+                <Label htmlFor="password">Şifre</Label>
+                <Input id="password" name="password" type="password" required />
+              </div>
+            </div>
+            <div className="flex flex-col space-y-2 mt-6">
+              <Button formAction={login} className="w-full">
+                Giriş Yap
+              </Button>
+              <Button formAction={signup} variant="outline" className="w-full">
+                Kayıt Ol
+              </Button>
+            </div>
+          </form>
+        </CardContent>
+      </Card>
+    </div>
+  )
+}