feat: modernize admin panel UI and add openinary integration

app/api/upload/route.ts

@@ -1,5 +1,6 @@
 import { NextRequest, NextResponse } from 'next/server'
-import cloudinary from '@/lib/cloudinary'
+import { uploadToOpeninary } from '@/lib/openinary'
+import { optimizedImage } from '@/lib/openinary-url'
 
 export async function POST(request: NextRequest) {
   try {
@@ -10,21 +11,14 @@ export async function POST(request: NextRequest) {
       return NextResponse.json({ error: 'Dosya bulunamadı.' }, { status: 400 })
     }
 
-    // Convert file to buffer
-    const arrayBuffer = await file.arrayBuffer()
-    const buffer = Buffer.from(arrayBuffer)
-    const base64 = `data:${file.type};base64,${buffer.toString('base64')}`
+    // Upload to Openinary
+    const result = await uploadToOpeninary(file, 'moyqr');
 
-    // Upload to Cloudinary
-    const result = await cloudinary.uploader.upload(base64, {
-      folder: 'moy-qr/products',
-      transformation: [
-        { width: 800, height: 800, crop: 'limit' },
-        { quality: 'auto', fetch_format: 'auto' }
-      ]
-    })
+    // Generate optimized URL
+    // e.g. "w_800,h_800,c_limit,q_auto,f_auto" parameters format for Openinary
+    const optimizedUrl = optimizedImage(result.path, 'w_800,h_800,c_limit,q_auto,f_auto');
 
-    return NextResponse.json({ url: result.secure_url })
+    return NextResponse.json({ url: optimizedUrl })
   } catch (error) {
     console.error('Upload error:', error)
     return NextResponse.json({ error: 'Yükleme başarısız oldu.' }, { status: 500 })