Propose devcontainer environment and tasks

Author: lex-ibm

.devcontainer/Containerfile

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+FROM ubuntu:20.04
+
+RUN apt update && \
+    DEBIAN_FRONTEND="noninteractive" \
+    apt install -y \
+        gcc-10 \
+        g++-10 \
+        libkrb5-dev \
+        libx11-dev \
+        libxkbfile-dev \
+        libsecret-1-dev \
+        qemu-user \
+        && \
+    apt clean && \
+    rm -rf /var/lib/apt/lists/* && \
+    update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-10 100 && \
+    update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-10 100

.devcontainer/README.md

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+# How To
+
+Create a `.env` on the root of the project with the following content:
+
+```bash
+# .env
+GH_TOKEN=your_github_token
+npm_config_arch=your_architecture # Options are: x64, arm64, arm, riscv64, loong64, ppc64, and s390x
+_VSCODE_ARCH=your_vsc_architecture # Options are: x64, arm64, armhf, riscv64, loong64, ppc64le, and s390x
+# Any other environment variable you want the tasks to run with or that set the build environment to your desired output architecture
+```
+
+Done, build your devcontainer and you are ready to go.

.devcontainer/devcontainer.json

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+// For format details, see https://aka.ms/devcontainer.json. For config options, see the
+{
+    "name": "VSC Build Environment",
+    // Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
+    "build": {
+        "dockerfile": "Containerfile"
+    },
+    // Features to add to the dev container. More info: https://containers.dev/features.
+    "features": {
+        "ghcr.io/devcontainers/features/common-utils:2": {
+            "installZsh": "true",
+            "username": "vscode",
+            "userUid": "1000",
+            "userGid": "1000",
+            "upgradePackages": "true"
+        },
+        "ghcr.io/devcontainers/features/node:1": {
+            "version": "20.18.2"
+        },
+        "ghcr.io/devcontainers/features/git:1": {
+            "version": "latest",
+            "ppa": "false"
+        },
+        "ghcr.io/devcontainers/features/python:1": {
+            "version": "3.11"
+        },
+        "ghcr.io/devcontainers/features/github-cli:1": {},
+        "ghcr.io/devcontainers/features/docker-in-docker:2": {
+            "dockerDashComposeVersion": "none"
+        }
+    },
+    // Uncomment if you have `sed` issues due to VirtFs
+    // "mounts": [
+    //     "type=volume,source=vscode-src,target=${containerWorkspaceFolder}/vscode"
+    // ],
+    // These are better placed in the .env file
+    // "containerEnv": {
+    //     "npm_config_arch": "ppc64",
+    //     "_VSCODE_ARCH": "ppc64le"
+    // },
+    "runArgs": [
+        "--security-opt",
+        "label=disable",
+        "--env-file",
+        ".env" // a place to put your GH_TOKEN
+    ],
+    "capAdd": [
+        "CAP_AUDIT_WRITE"
+    ],
+    // Use 'forwardPorts' to make a list of ports inside the container available locally.
+    // "forwardPorts": [],
+    // Use 'postCreateCommand' to run commands after the container is created.
+    // "postCreateCommand": "yarn install",
+    "onCreateCommand": "sudo mount binfmt_misc -t binfmt_misc /proc/sys/fs/binfmt_misc", // you will also need the DISABLE_QEMU=true env var
+    // Configure tool-specific properties.
+    "customizations": {
+        // Configure properties specific to VS Code.
+        "vscode": {
+            // Set *default* container specific settings.json values on container create.
+            "settings": {},
+            // Add the IDs of extensions you want installed when the container is created.
+            "extensions": [
+                "dbaeumer.vscode-eslint",
+                "ms-azuretools.vscode-docker",
+                "github.vscode-github-actions"
+            ]
+        }
+    },
+    // Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
+    "remoteUser": "vscode"
+}

.vscode/launch.json

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+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+
+        {
+            "type": "bashdb",
+            "request": "launch",
+            "name": "Bash-Debug (simplest configuration)",
+            "program": "${file}",
+            "args": [],
+        }
+    ]
+}

.vscode/tasks.json

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+{
+    // See https://go.microsoft.com/fwlink/?LinkId=733558
+    // for the documentation about the tasks.json format
+    "version": "2.0.0",
+    "tasks": [
+      {
+        "label": "Download latest stable-linux vscode artifact",
+        "type": "shell",
+        "command": "gh run list --workflow stable-linux --branch master --limit 1 | awk '{print $7}' | xargs -I {} gh run download {} -n vscode && sudo tar -xvzf vscode.tar.gz && sudo chown -R vscode:vscode ./vscode/",
+        "group": {
+          "kind": "none"
+        },
+        "problemMatcher": []
+      },
+      {
+        "label": "Extract vscode.tar.gz",
+        "type": "shell",
+        "command": "sudo tar -xvzf vscode.tar.gz && sudo chown -R vscode:vscode ./vscode/",
+        "group": {
+          "kind": "none"
+        },
+        "problemMatcher": []
+      },
+      {
+        "label": "Build Linux REH",
+        "type": "shell",
+        "command": "VSCODE_ARCH=\"${_VSCODE_ARCH}\" ./build/linux/package_reh.sh",
+        "group": {
+          "kind": "build",
+          "isDefault": false
+        }
+      }
+    ]
+  }