ci(windows): splits windows build to a windows machine

Native binaries must be compiled on the correct OS and architecture

re #154

.travis.yml

@@ -4,14 +4,20 @@ language: node_js
 node_js: '10'
 jobs:
   include:
-  - name: "Build on macOS for macOS and Windows"
+  - name: "Build on Windows"
+    os: windows
+    env:
+    - ELECTRON_CACHE=$HOME/.cache/electron
+    - ELECTRON_BUILDER_CACHE=$HOME/.cache/electron-builder
+    - USE_HARD_LINKS=false
+  - name: "Build on macOS"
     os: osx
     osx_image: xcode10.2
     env:
     - ELECTRON_CACHE=$HOME/.cache/electron
     - ELECTRON_BUILDER_CACHE=$HOME/.cache/electron-builder
     - USE_HARD_LINKS=false
-  - name: "Build on Linux for Linux"
+  - name: "Build on Linux"
     os: linux
     dist: xenial
     env:
@@ -26,7 +32,8 @@ cache:
 before_install:
   - if [ "$TRAVIS_OS_NAME" = "linux" ]; then wget https://github.com/Palakis/obs-ndi/releases/download/4.9.0/libndi4_4.5.1-1_amd64.deb && sudo dpkg -i libndi4_4.5.1-1_amd64.deb; fi
 script:
-  - if [ "$TRAVIS_OS_NAME" = "osx" ];   then yarn run electron:build -mw --publish=never; fi
+  - if [ "$TRAVIS_OS_NAME" = "windows" ];   then yarn run electron:build -w --publish=never; fi
+  - if [ "$TRAVIS_OS_NAME" = "osx" ];   then yarn run electron:build -m --publish=never; fi
   - if [ "$TRAVIS_OS_NAME" = "linux" ]; then yarn run electron:build -l  --publish=never; fi
 before_cache:
 - rm -rf $HOME/.cache/electron-builder/wine