Add Devcontainers and Docker Environment

.devcontainer/Dockerfile

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+FROM mcr.microsoft.com/devcontainers/base:dev-ubuntu22.04
+
+ENV DEBIAN_FRONTEND=noninteractive \
+    TZ=Asia/Shanghai \
+    LANG=C.UTF-8
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    git ssh make gcc g++ gcc-multilib g++-multilib \
+    module-assistant expect gawk texinfo libssl-dev \
+    bison flex fakeroot cmake unzip gperf autoconf \
+    device-tree-compiler libncurses5-dev pkg-config bc \
+    python-is-python3 openssl openssh-server openssh-client \
+    vim file cpio rsync curl \
+    && rm -rf /var/lib/apt/lists/* 
+
+WORKDIR /workspace
+CMD ["/bin/bash"]

.devcontainer/devcontainer-lock.json

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+{
+  "features": {
+    "ghcr.io/danzilberdan/devcontainers/opencode:0": {
+      "version": "0.0.6",
+      "resolved": "ghcr.io/danzilberdan/devcontainers/opencode@sha256:e43ac479f99686e96b77dd27edfb5004b922bca3049dc2995c450177bda3bcb9",
+      "integrity": "sha256:e43ac479f99686e96b77dd27edfb5004b922bca3049dc2995c450177bda3bcb9"
+    }
+  }
+}

.devcontainer/devcontainer.json

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+{
+    "$schema": "https://raw.githubusercontent.com/devcontainers/spec/refs/heads/main/schemas/devContainer.schema.json",
+    "name": "Luckfox Pico",
+    "build": {
+        "dockerfile": "Dockerfile", // Dockerfile 的文件名
+        "context": "..", // 构建上下文（推荐使用项目根目录）
+        "args": { // 可选：传递构建参数
+            "NODE_VERSION": "20"
+        }
+    },
+    "features": {
+        "ghcr.io/danzilberdan/devcontainers/opencode:0": {}
+    },
+    "mounts": [
+        // 挂载本机全局配置（推荐只挂载 config 目录）
+        {
+            "source": "${localEnv:HOME}/.config/opencode",
+            "target": "/root/.config/opencode",
+            "type": "bind"
+        },
+        // 挂载认证凭证（最安全的做法）
+        {
+            "source": "${localEnv:HOME}/.local/share/opencode/auth.json",
+            "target": "/root/.local/share/opencode/auth.json",
+            "type": "bind"
+        }
+    ],
+    "customizations": {
+        "vscode": {
+            "extensions": [
+                "opencode.opencode-vscode",
+                "codeinchinese.englishchinesedictionary",
+                "ms-vscode.cpptools-extension-pack",
+                "ms-vscode.cmake-tools",
+                "ms-azuretools.vscode-containers",
+                "cschlosser.doxdocgen",
+                "oderwat.indent-rainbow"
+            ]
+        }
+    },
+    "remoteUser": "root"
+}