Add env to auto report new strings in console

Need to debounce to prevent over-reporting. 2s seems to be the minimum.

.env.defaults

@@ -117,7 +117,7 @@ ENABLE_WILD_WEST=true
 BRANDED_SITE=odysee
 LOADING_BAR_COLOR=#e50054
 
-#FIREBASE
+# FIREBASE
 FIREBASE_API_KEY=AIzaSyAgc-4QORyglpYZ3qH9E5pDauEDOJXgM3A
 FIREBASE_AUTH_DOMAIN=lbry-mobile.firebaseapp.com
 FIREBASE_PROJECT_ID=lbry-mobile
@@ -126,3 +126,6 @@ FIREBASE_MESSAGING_SENDER_ID=638894153788
 FIREBASE_APP_ID=1:638894153788:web:35b295b15297201bd2e339
 FIREBASE_MEASUREMENT_ID=G-2MPJGFEEXC
 FIREBASE_VAPID_KEY=BFayEBpwMTU9GQQpXgitIJkfx-SD8-ltrFb3wLTZWgA27MfBhG4948pe0eERl432NzPrMKsbkXnA7ap_vLPgLYk
+
+# Development
+REPORT_NEW_STRINGS=false

ui/i18n.js

@@ -5,6 +5,7 @@ const isProduction = process.env.NODE_ENV === 'production';
 const localStorageAvailable = isLocalStorageAvailable();
 
 window.i18n_messages = window.i18n_messages || {};
+let reportTimer;
 
 /**
  * Collects new i18n strings encountered during runtime.
@@ -26,6 +27,11 @@ function saveMessageWeb(message) {
 
   if (!window.app_strings[message] && !window.new_strings[message]) {
     window.new_strings[message] = removeContextMetadata(message);
+
+    // @if REPORT_NEW_STRINGS='true'
+    if (reportTimer) clearTimeout(reportTimer);
+    reportTimer = setTimeout(() => console.log(window.new_strings), 2000); // eslint-disable-line no-console
+    // @endif
   }
   // @endif
 }