Gulpify build pipeline (#3145)

* Gulpify build pipeline

* Update build frontend script

* Fixes

* Limit service worker to latest build

* Use shorthand

* Fix hassio build

build-scripts/gulp/develop.js

@@ -0,0 +1,29 @@
+// Run HA develop mode
+const gulp = require("gulp");
+
+require("./clean.js");
+require("./translations.js");
+require("./gen-icons.js");
+require("./gather-static.js");
+require("./webpack.js");
+require("./service-worker.js");
+require("./entry-html.js");
+
+gulp.task(
+  "develop",
+  gulp.series(
+    async function setEnv() {
+      process.env.NODE_ENV = "development";
+    },
+    "clean",
+    gulp.parallel(
+      "copy-static",
+      "gen-service-worker-dev",
+      "gen-icons",
+      "gen-pages-dev",
+      "gen-index-html-dev",
+      gulp.series("build-translations", "copy-translations")
+    ),
+    "webpack-watch"
+  )
+);