Include dummy sw files to fix build

.github/workflows/TestBuild.yml

@@ -31,5 +31,3 @@ jobs:
         run: script/bootstrap
       - name: Build
         run: script/build
-        env:
-          IS_TEST: "true"

public/sw-legacy.js

@@ -0,0 +1,5 @@
+"use strict";
+
+self.addEventListener("fetch", (event) => {
+  event.respondWith(fetch(event.request));
+});

public/sw-modern.js

@@ -0,0 +1,3 @@
+self.addEventListener("fetch", (event) => {
+  event.respondWith(fetch(event.request));
+});

script/build

@@ -12,4 +12,4 @@ if [ ! -d "./node_modules" ]; then
     yarn install
 fi
 
-./node_modules/.bin/gulp build-hacs
+NODE_OPTIONS=--max_old_space_size=6144 ./node_modules/.bin/gulp build-hacs