Skip service workers in development by default (#10617)

.env_sample

@@ -1,10 +1,12 @@
+# Development options
+export SKIP_SERVICEWORKERS="true"
+
 # App core values
 export APP_DOMAIN="localhost:3000"
 export APP_PROTOCOL="http://"
 export APP_NAME="forem_local"
 export FOREM_OWNER_SECRET="secret"
 
-
 # Openresty domain + Protocol setting for development
 export OPENRESTY_DOMAIN=""
 export OPENRESTY_PROTOCOL=""

app/views/service_worker/index.js.erb

@@ -1,5 +1,5 @@
 // Serviceworkers file. This code gets installed in users browsers and runs code before the request is made.
-<% unless Rails.env.test? %>
+<% unless Rails.env.test? || ENV["SKIP_SERVICEWORKERS"] == "true" %>
   const staticCacheName = 'static-1.2';
   const expectedCaches = [
     staticCacheName