npm architecture

src/freedombone-image-customise

 INSTALLING_MESH=
 
 install_patchwork() {
+    NPM_ARCH='ia32'
+    if [[ $ARCHITECTURE == 'arm'* ]]; then
+        NPM_ARCH='armv7l'
+    fi
+    if [[ $ARCHITECTURE == 'x86_64' || $ARCHITECTURE == 'amd64' ]]; then
+        NPM_ARCH='x64'
+    fi
+
     git clone https://github.com/ssbc/patchwork $rootdir/etc/patchwork
 
     cat <<EOF > $rootdir/usr/bin/install_patchwork
 #!/bin/bash
 cd /etc/patchwork
-npm install --arch=ia32 electron
-npm install
+npm install --arch=$NPM_ARCH electron
+npm install --arch=$NPM_ARCH
 EOF
     chroot "$rootdir" /bin/chmod +x /usr/bin/install_patchwork
     chroot "$rootdir" /usr/bin/install_patchwork