build: add packer file

Refs #74016

Change-Id: I0232808be21293208dedf748b91848babc155fbe

.packer.yml

+win32:
+    exe_commands:
+        - echo "Building Daemon"
+        - git clone https://gerrit-ring.savoirfairelinux.com/ring-daemon ring-daemon
+        - cd ring-daemon/contrib
+        - mkdir native
+        - ls
+        - cd native
+        - ../bootstrap --host=i686-w64-mingw32
+        - make
+        - cd ../..
+        - ./autogen.sh
+        - ./configure --host=i686-w64-mingw32 --without-dbus
+        - make
+        - make install
+        - echo "Building LRC"
+        - cd ..
+        - git clone https://gerrit-ring.savoirfairelinux.com/ring-lrc ring-lrc
+        - RING=`pwd`/ring-daemon
+        - cd ring-lrc
+        - mkdir build
+        - cd build
+        - cmake -DCMAKE_TOOLCHAIN_FILE=../cmake/winBuild.cmake -DCMAKE_INSTALL_PREFIX=$RING/_win32 -DRING_BUILD_DIR=$RING/src -DENABLE_LIBWRAP=true ..
+        - make
+        - make install
+        - cd ../..
+        - echo "Building Client"
+        - git clone https://gerrit-ring.savoirfairelinux.com/ring-client-windows ring-client-windows
+        - cd ring-client-windows
+        - mkdir build && cd build
+        - export QTDIR=/usr/i686-w64-mingw32/lib/qt
+        - /usr/i686-w64-mingw32/lib/qt/bin/qmake ../RingWinClient.pro -r -spec win32-g++ RING=$RING/_win32
+        - make
+        - make install
+        - cd release
+        - makensis ring.nsi
+        - sudo mv ring-windows-nightly.exe /output