add fluidd image & klipper firmware builder image

.github/workflows/fluidd_multiarch.yml

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+name: Fluidd Multiarch Image CI
+
+on:
+  push:
+    branches:
+      - main
+  schedule:
+    - cron: "42 13 * * 0,2,5"
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Get current date
+        id: date
+        run: echo "::set-output name=date::$(date +'%Y%m%d-%H%M')"
+
+      - name: Prepare
+        id: prep
+        run: |
+          DOCKER_IMAGE=${{ secrets.DOCKER_USERNAME }}/fluidd
+          VERSION=latest
+          DATE=${{steps.date.outputs.date}}
+
+          # If this is git tag, use the tag name as a docker tag
+          if [[ $GITHUB_REF == refs/tags/* ]]; then
+            VERSION=${GITHUB_REF#refs/tags/v}
+          fi
+          TAGS="${DOCKER_IMAGE}:${VERSION},${DOCKER_IMAGE}:${DATE}"
+
+          # If the VERSION looks like a version number, assume that
+          # this is the most recent version of the image and also
+          # tag it 'latest'.
+          if [[ $VERSION =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
+            TAGS="$TAGS,${DOCKER_IMAGE}:latest"
+          fi
+
+          # Set output parameters.
+          echo ::set-output name=tags::${TAGS}
+          echo ::set-output name=docker_image::${DOCKER_IMAGE}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@master
+        with:
+          platforms: all
+
+      - name: Set up Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@master
+
+      - name: Login to DockerHub
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Build
+        uses: docker/build-push-action@v2
+        with:
+          builder: ${{ steps.buildx.outputs.name }}
+          context: frontend
+          file: frontend/Dockerfile
+          platforms: linux/amd64,linux/arm64,linux/arm/v7,linux/arm/v6
+          push: true
+          tags: ${{ steps.prep.outputs.tags }}
+          build-args: |
+            FRONTEND_ZIP_URL=https://github.com/cadriel/fluidd/releases/latest/download/fluidd.zip

klipper/builder.Dockerfile

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+FROM python:3.9
+
+ARG DEBIAN_FRONTEND=noninteractive
+
+ARG USER=klippy
+ARG HOME=/home/${USER}
+ARG KLIPPER_VENV_DIR=${HOME}/klippy-env
+
+ENV PKGLIST="virtualenv python-dev libffi-dev build-essential"
+ENV PKGLIST="${PKGLIST} libncurses-dev"
+ENV PKGLIST="${PKGLIST} libusb-dev"
+ENV PKGLIST="${PKGLIST} avrdude gcc-avr binutils-avr avr-libc"
+ENV PKGLIST="${PKGLIST} stm32flash libnewlib-arm-none-eabi"
+ENV PKGLIST="${PKGLIST} gcc-arm-none-eabi binutils-arm-none-eabi libusb-1.0"
+
+RUN useradd -d ${HOME} -ms /bin/bash ${USER}
+RUN apt-get update && \
+    apt-get install -y locales git sudo wget curl gzip tar ${PKGLIST}
+RUN sed -i -e 's/# en_GB.UTF-8 UTF-8/en_GB.UTF-8 UTF-8/' /etc/locale.gen
+RUN locale-gen
+
+ENV LC_ALL en_GB.UTF-8 
+ENV LANG en_GB.UTF-8  
+ENV LANGUAGE en_GB:en   
+
+USER ${USER}
+WORKDIR ${HOME}
+
+### Klipper setup ###
+RUN git clone https://github.com/KevinOConnor/klipper.git
+RUN [ ! -d ${KLIPPER_VENV_DIR} ] && virtualenv -p 2 ${KLIPPER_VENV_DIR}
+RUN ${KLIPPER_VENV_DIR}/bin/python -m pip install pip -U
+RUN ${KLIPPER_VENV_DIR}/bin/pip install wheel
+RUN ${KLIPPER_VENV_DIR}/bin/pip install -r klipper/scripts/klippy-requirements.txt
+
+WORKDIR ${HOME}/klipper
+
+CMD ["bash"]