chore: 初始化项目基础配置

- 添加 .prettierrc 配置文件，设置代码格式化规则
- 创建各 packages 目录下的 README.md 文档
- 配置 tsconfig.json TypeScript 编译选项
- 设置 rollup.config.js 打包配置
- 添加 .gitignore 忽略文件配置
- 安装 prettier 依赖

package-lock.json

@@ -0,0 +1,32 @@
+{
+  "name": "vue-core-mini",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "vue-core-mini",
+      "version": "1.0.0",
+      "license": "ISC",
+      "devDependencies": {
+        "prettier": "^3.8.1"
+      }
+    },
+    "node_modules/prettier": {
+      "version": "3.8.1",
+      "resolved": "https://registry.npmmirror.com/prettier/-/prettier-3.8.1.tgz",
+      "integrity": "sha512-UOnG6LftzbdaHZcKoPFtOcCKztrQ57WkHDeRD9t/PTQtmT0NHSeWWepj6pS0z/N7+08BHFDQVUrfmfMRcZwbMg==",
+      "dev": true,
+      "license": "MIT",
+      "bin": {
+        "prettier": "bin/prettier.cjs"
+      },
+      "engines": {
+        "node": ">=14"
+      },
+      "funding": {
+        "url": "https://github.com/prettier/prettier?sponsor=1"
+      }
+    }
+  }
+}