feat: implement full CRUD functionality for projects with image upload support and admin dashboard management

src/core/storage/local.ts

@@ -0,0 +1,28 @@
+import { writeFile, mkdir } from 'fs/promises';
+import path from 'path';
+
+/**
+ * Uploads a file to the local public/uploads directory.
+ * Returns the public relative URL to be saved in the database.
+ */
+export async function uploadFileLocally(file: File): Promise<string> {
+  const bytes = await file.arrayBuffer();
+  const buffer = Buffer.from(bytes);
+
+  const uploadDir = path.join(process.cwd(), 'public', 'uploads');
+  
+  // Create directory if it doesn't exist
+  try {
+    await mkdir(uploadDir, { recursive: true });
+  } catch (e) {
+    // Directory already exists, ignore
+  }
+
+  const uniqueName = `${Date.now()}-${file.name.replace(/[^a-zA-Z0-9.-]/g, "_")}`;
+  const filePath = path.join(uploadDir, uniqueName);
+  
+  await writeFile(filePath, buffer);
+
+  // Return the path relative to the public directory so Next.js can serve it
+  return `/uploads/${uniqueName}`;
+}