added Profile Page and Change password (also included breadcrumb

src/utils/disk-storage.ts

@@ -0,0 +1,25 @@
+import fs, { writeFile } from 'fs/promises'
+import path from 'path'
+
+export async function saveFile(key: string, file: Buffer | File) {
+  const uploadDir = './files'
+  if (!uploadDir) {
+    throw new Error('Upload directory not found')
+  }
+
+  const fileBuffer =
+    file instanceof File ? Buffer.from(await file.arrayBuffer()) : file
+
+  const filePath = path.join(uploadDir, key)
+
+  try {
+    await fs.mkdir(uploadDir, { recursive: true })
+    await writeFile(filePath, fileBuffer)
+    return key
+  } catch (error) {
+    console.error(`Error saving file: ${key}`, error)
+    throw new Error(
+      `Failed to save file: ${error instanceof Error ? error.message : 'Unknown error'}`,
+    )
+  }
+}