refactor：项目升级Vue3+uView Plus

- 改造入口文件、全量替换组件引入
- 过滤器迁移混入，更新忽略配置，新增迁移文档

scripts/migrate-uview-components.js

@@ -0,0 +1,33 @@
+const fs = require('fs')
+const path = require('path')
+
+const root = path.join(__dirname, '..')
+
+function walk(dir, files = []) {
+  for (const entry of fs.readdirSync(dir, { withFileTypes: true })) {
+    if (['node_modules', '.git', 'scripts'].includes(entry.name)) continue
+    const full = path.join(dir, entry.name)
+    if (entry.isDirectory()) walk(full, files)
+    else if (entry.name.endsWith('.vue')) files.push(full)
+  }
+  return files
+}
+
+function process(content) {
+  return content
+    .replace(/u-verification-code/g, 'u-code')
+    .replace(/<u-cell-item/g, '<u-cell')
+    .replace(/<\/u-cell-item>/g, '</u-cell>')
+    .replace(/:arrow="false"/g, ':isLink="false"')
+}
+
+walk(root).forEach((file) => {
+  const original = fs.readFileSync(file, 'utf8')
+  const updated = process(original)
+  if (updated !== original) {
+    fs.writeFileSync(file, updated)
+    console.log('updated', path.relative(root, file))
+  }
+})
+
+console.log('uview component aliases updated')