[Feature] Add docker and docker CI

fix CI

.github/workflows/ci-docker.yml

@@ -0,0 +1,15 @@
+name: Docker Image CI
+on: [pull_request, push]
+
+jobs:
+
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+      with:
+       submodules: true
+    - name: Build the Docker image
+      run: docker build . --file docker/Dockerfile --tag omega:$(date +%s)

docker/Dockerfile

@@ -0,0 +1,10 @@
+FROM debian:buster-slim
+
+RUN apt-get update && \
+  apt-get install -y --no-install-recommends \
+  build-essential git imagemagick libx11-dev libxext-dev libfreetype6-dev libpng-dev libjpeg-dev pkg-config gcc-arm-none-eabi binutils-arm-none-eabi ca-certificates python3 python2.7 && \
+  apt-get clean
+
+COPY ./build /
+
+ENTRYPOINT ["/build"]

docker/build

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+set -e
+
+REPO="${1:-https://github.com/Omega-Numworks/Omega.git}"
+BRANCH="${2:-master}"
+MODEL="${3:-MODEL=n0110}"
+USERNAME="${4:- }"
+OPTIONS="${5:-epsilon_flash}"
+
+echo Building ${REPO} branch ${BRANCH} for ${MODEL} with options ${OPTIONS} !
+
+git clone --recurse-submodules -j $(nproc) --depth 1 --branch ${BRANCH} ${REPO} omega
+time make cleanall && time make -j $(nproc) -C omega ${MODEL} ${USERNAME} ${OPTIONS} 

docker/readme.md

@@ -0,0 +1,22 @@
+# Docker Omega Builder
+
+This docker build and upload the firmware of a NumWorks from a repo easily.
+
+## How to use
+
+Connect the calculator to the computer, then to build the latest official firmware, just run :
+
+```
+docker run -it --rm --privileged omega/omegaBuilder
+```
+
+To build a specific version, you can use the following syntax :
+
+```
+docker run -it --rm --privileged omega/omegaBuilder git-repository-URL git-branch model username make-options
+```
+
+For example, to build latest dev version :
+
+```
+docker run -it --rm --privileged omega/omegaBuilder https://github.com/Omega-Numworks/Omega.git omega-dev