Create devcontainer and codespace support

.devcontainer/Dockerfile

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+# [Choice] Ubuntu version: bionic, focal
+ARG VARIANT=bionic
+FROM mcr.microsoft.com/vscode/devcontainers/base:${VARIANT}
+
+# This Dockerfile adds a non-root user with sudo access. Update the “remoteUser” property in
+# devcontainer.json to use it. More info: https://aka.ms/vscode-remote/containers/non-root-user.
+ARG USERNAME=vscode
+ARG USER_UID=1000
+ARG USER_GID=$USER_UID
+
+# Docker script args, location, and expected SHA - SHA generated on release
+ARG DOCKER_SCRIPT_SOURCE="https://raw.githubusercontent.com/microsoft/vscode-dev-containers/master/script-library/docker-debian.sh"
+ARG DOCKER_SCRIPT_SHA="dev-mode"
+ARG ENABLE_NONROOT_DOCKER="true"
+ARG SOURCE_SOCKET=/var/run/docker-host.sock
+ARG TARGET_SOCKET=/var/run/docker.sock
+
+RUN apt-get update \
+    && export DEBIAN_FRONTEND=noninteractive \
+    # Verify common dependencies and utilities are installed
+    && apt-get -y install --no-install-recommends apt-utils dialog git openssh-client curl less iproute2 procps 2>&1 \
+    #
+    # Create a non-root user to use if not already available - see https://aka.ms/vscode-remote/containers/non-root-user.
+    && if [ $(getent passwd $USERNAME) ]; then \
+        # If exists, see if we need to tweak the GID/UID
+        if [ "$USER_GID" != "1000" ] || [ "$USER_UID" != "1000" ]; then \
+            groupmod --gid $USER_GID $USERNAME \
+            && usermod --uid $USER_UID --gid $USER_GID $USERNAME \
+            && chown -R $USER_UID:$USER_GID /home/$USERNAME; \
+        fi; \
+    else \
+        # Otherwise ccreate the non-root user
+        groupadd --gid $USER_GID $USERNAME \
+        && useradd -s /bin/bash --uid $USER_UID --gid $USER_GID -m $USERNAME \
+        # Add sudo support for the non-root user
+        && apt-get install -y sudo \
+        && echo $USERNAME ALL=\(root\) NOPASSWD:ALL > /etc/sudoers.d/$USERNAME\
+        && chmod 0440 /etc/sudoers.d/$USERNAME; \
+    fi \
+    #
+    # Use Docker script from script library to set things up
+    && curl -sSL $DOCKER_SCRIPT_SOURCE -o /tmp/docker-setup.sh \
+    && ([ "${DOCKER_SCRIPT_SHA}" = "dev-mode" ] || (echo "${DOCKER_SCRIPT_SHA} */tmp/docker-setup.sh" | sha256sum -c -)) \
+    && /bin/bash /tmp/docker-setup.sh "${ENABLE_NONROOT_DOCKER}" "${SOURCE_SOCKET}" "${TARGET_SOCKET}" "${USERNAME}" \
+    && rm /tmp/docker-setup.sh \
+    #
+    # Clean up
+    && apt-get autoremove -y \
+    && apt-get clean -y \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install emulation support
+RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
+    && apt-get -y install --no-install-recommends \
+    binfmt-support \
+    make \
+    python3-dev \
+    python3-pip \
+    python3-setuptools \
+    qemu-user-static
+
+# [Optional] Uncomment this section to install additional OS packages.
+# RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
+#     && apt-get -y install --no-install-recommends <your-package-list-here>
+
+USER $USERNAME
+# Install packages required to generate code
+RUN python3 -m pip install --user -U pip && \
+    python3 -m pip install -U setuptools && \
+    python3 -m pip install plumbum==1.6.8 && \
+    python3 -m pip install jinja2==2.10.3 && \
+    python3 -m pip install pyyaml==5.3.1 && \
+    python3 -m pip install -U pylint --user
+
+USER root
+
+# Setting the ENTRYPOINT to docker-init.sh will configure non-root access to 
+# the Docker socket if "overrideCommand": false is set in devcontainer.json. 
+# The script will also execute CMD if you need to alter startup behaviors.
+ENTRYPOINT [ "/usr/local/share/docker-init.sh" ]
+CMD [ "sleep", "infinity" ]

.devcontainer/devcontainer.json

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+{
+	"name": "jetson-containers",
+
+	// Sets the run context to one level up instead of the .devcontainer folder.
+	"context": ".",
+
+	// Update the 'dockerFile' property if you aren't using the standard 'Dockerfile' filename.
+	"dockerFile": "Dockerfile",
+
+	// Set *default* container specific settings.json values on container create.
+	"settings": { 
+		"terminal.integrated.shell.linux": "/bin/bash"
+	},
+
+	// Use this environment variable if you need to bind mount your local source code into a new container.
+	"remoteEnv": {
+		"LOCAL_WORKSPACE_FOLDER": "${localWorkspaceFolder}"
+	},
+
+	// Add the IDs of extensions you want installed when the container is created.
+	"extensions": [
+        "ms-azuretools.vscode-docker",
+        "ms-python.python"
+    ],
+
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	// "forwardPorts": [],
+
+	// Uncomment the next line to run commands after the container is created - for example installing curl.
+	"postCreateCommand": "make init",
+
+	// Uncomment when using a ptrace-based debugger like C++, Go, and Rust
+	"runArgs": ["--init"],
+
+	// Uncomment to use the Docker CLI from inside the container. See https://aka.ms/vscode-remote/samples/docker-from-docker.
+	"mounts": [
+		"source=/var/run/docker.sock,target=/var/run/docker.sock,type=bind",
+		"source=/tmp,target=/tmp,type=bind"
+	 ],
+
+	// Uncomment the next two lines to connect as a non-root user. See https://aka.ms/vscode-remote/containers/non-root.
+	"overrideCommand": false,
+	"remoteUser": "vscode"
+}