feat: initial commit with Nuxt 3 student management system

- Add Nuxt 3 + Prisma + SQLite full-stack setup
- Add student CRUD API with batch import/export
- Add stats dashboard with gender/class distribution
- Add target community settings feature
- Add Docker deployment support (Dockerfile + docker-compose)
- Add README with development and deployment instructions

server/api/students/import.post.ts

@@ -0,0 +1,28 @@
+import { prisma } from '~/server/utils/prisma'
+
+export default defineEventHandler(async (event) => {
+  const body = await readBody(event)
+  
+  if (!Array.isArray(body.students)) {
+    throw createError({
+      statusCode: 400,
+      message: 'Invalid data format'
+    })
+  }
+  
+  const result = await prisma.student.createMany({
+    data: body.students.map((s: any) => ({
+      className: s.className,
+      name: s.name,
+      gender: s.gender || '',
+      birthday: s.birthday || null,
+      address: s.address || null,
+      fatherName: s.fatherName || null,
+      fatherPhone: s.fatherPhone || null,
+      motherName: s.motherName || null,
+      motherPhone: s.motherPhone || null
+    }))
+  })
+  
+  return { count: result.count }
+})