Make it possible to change the installer URL

bin/omarchy-iso-make

@@ -17,6 +17,7 @@ OMARCHY_CONFIGURATOR_REF="${OMARCHY_CONFIGURATOR_REF:-master}"
 
 OMARCHY_INSTALLER_REPO="${OMARCHY_INSTALLER_REPO:-basecamp/omarchy}"
 OMARCHY_INSTALLER_REF="${OMARCHY_INSTALLER_REF:-master}"
+OMARCHY_INSTALLER_URL="${OMARCHY_INSTALLER_URL:-https://omarchy.org/install}"
 
 # Run the builder
 docker run --rm \
@@ -25,6 +26,7 @@ docker run --rm \
   -e "OMARCHY_CONFIGURATOR_REF=$OMARCHY_CONFIGURATOR_REF" \
   -e "OMARCHY_INSTALLER_REPO=$OMARCHY_INSTALLER_REPO" \
   -e "OMARCHY_INSTALLER_REF=$OMARCHY_INSTALLER_REF" \
+  -e "OMARCHY_INSTALLER_URL=$OMARCHY_INSTALLER_URL" \
   -v "$BUILD_RELEASE_PATH/:/out/" \
   -v "$BUILD_ROOT/$BUILD_SCRIPT:/$BUILD_SCRIPT:ro" \
   -v "$BUILD_ROOT/archiso:/archiso:ro" \