Build on several platforms (#13)

- Added a GitHub workflow to compile distribyted on linux, macOS and windows.
- Fixed some problems on storage when running on windows.
- Added more documentation about how to use on windows.
- Now on every build, artifacts are generated and can be downloaded for testing before a release.
- Only cross-compiling arm-7 for now.

Fixes #6 

Signed-off-by: Antonio Navarro Perez <antnavper@gmail.com>

build_tools/Dockerfile

@@ -7,17 +7,6 @@ RUN \
     apt-get update && \
     apt-get install -y --no-install-recommends p7zip-full
 
-# install OSXFUSE
-# (TODO) not compatible anymore. Find a new way to install osxfuse
-# RUN wget -q -O osxfuse.dmg https://github.com/osxfuse/osxfuse/releases/download/osxfuse-3.8.3/osxfuse-3.8.3.dmg
-# RUN 7z e osxfuse.dmg 0.hfs
-# RUN 7z e 0.hfs "FUSE for macOS/Extras/FUSE for macOS 3.8.3.pkg"
-# RUN 7z e "FUSE for macOS 3.8.3.pkg" Core.pkg/Payload
-# RUN 7z e Payload
-# RUN 7z x Payload~ -o/tmp
-# RUN cp -R /tmp/usr/local/include/osxfuse /usr/local/include
-# RUN cp /tmp/usr/local/lib/libosxfuse_i64.2.dylib /usr/local/lib/libosxfuse.dylib
-
 # install LIBFUSE
 RUN \
     apt-get update && \
@@ -26,11 +15,5 @@ RUN \
     apt-get download libfuse-dev:i386 && \
     dpkg -x libfuse-dev*i386*.deb /
 
-# install WinFsp-FUSE
-RUN \
-    wget -q -O winfsp.zip \
-        https://github.com/billziss-gh/winfsp/archive/release/1.4.zip && \
-    7z e winfsp.zip 'winfsp-release-1.4/inc/fuse/*' -o/usr/local/include/winfsp
-
 ENV \
     OSXCROSS_NO_INCLUDE_PATH_WARNINGS 1