build(devcontainer): 添加 Hyperf 开发套件核心配置文件

- 新增 devcontainer.json 配置文件，用于 Hyperf 框架的开发环境
- 配置了基础设置、挂载点、容器生命周期管理等
- 集成了多个 Visual Studio Code 扩展，提升开发效率

.devcontainer/devcontainer.json

@@ -0,0 +1,49 @@
+{
+    "name": "Hyperf Development Kit Core Dev Container",
+    "image": "harbor.luxcreo.cn/library/hyperf:8.1-swoole",
+    // 基础配置
+    "workspaceFolder": "/srv/www", // 对应 --workdir
+    "workspaceMount": "source=${localWorkspaceFolder},target=/srv/www,type=bind", // 主工作区挂载
+    // 附加挂载
+    "mounts": [
+        "source=${env:HOME}/.ssh,target=/root/.ssh,type=bind", // SSH 密钥挂载
+        "source=${env:HOME}/.gitconfig,target=/root/.gitconfig,type=bind" // SSH 密钥挂载
+    ],
+    // 容器生命周期
+    "shutdownAction": "stopContainer", // 类似 --rm 的清理行为
+    "updateRemoteUserUID": true, // 确保用户 ID 同步
+    // 保留的必要 runArgs
+    "runArgs": [
+        "--pull=always", // 强制拉取最新镜像
+        "--name=hdk-core" // 容器命名（需保持唯一性）
+    ],
+    // 初始化命令
+    "postCreateCommand": "echo 'Container initialized!'",
+    "customizations": {
+        "vscode": {
+            "extensions": [
+                "rid9.datetime",
+                "MS-CEINTL.vscode-language-pack-zh-hans",
+                "ms-azuretools.vscode-docker",
+                "janisdd.vscode-edit-csv",
+                "onecentlin.laravel-blade",
+                "DavidWang.ini-for-vscode",
+                "bmewburn.vscode-intelephense-client",
+                "mechatroner.rainbow-csv",
+                "Alibaba-Cloud.tongyi-lingma",
+                "atommaterial.a-file-icon-vscode",
+                "ParthR2031.colorful-comments",
+                "vincaslt.highlight-matching-tag",
+                "xabikos.JavaScriptSnippets",
+                "shufo.vscode-blade-formatter",
+                "dansysanalyst.pest-snippets",
+                "m1guelpf.better-pest",
+                "xoronic.pestfile",
+                "xdebug.php-debug",
+                "golang.go",
+                "cweijan.vscode-typora",
+                "ciceroisback.loam"
+            ]
+        }
+    }
+}