Localize HeliosLauncher UI using lang files (#301)

* First step to use Language .json file in ejs

* i18n for landing.ejs

* i18n for login.ejs

* i18n for loginOptions.ejs

* i18n for overlay.ejs

* i18n for settings.ejs

* i18n for waiting.ejs

* i18n for welcome.ejs

* langloader.js placeholder support

* i18n for landing.js

* i18n for login.js

* i18n for overlay.js

* i18n for settings.js

* i18n for uibinder.js

* i18n for uicore.js

* remove html language replacement

* use toml for i18n

* Fix mojang/microsoft status icon is undefined

* cascadable langloader

* separate lang file for customization

* move some placeholder text to _placeholder.toml

* Update

* Reduce package lock diff.

* Remove another placeholder.

* Checkbox does not require translation.

* Icons don't need translation.

* Leave placeholders inline.

* Fix translation for news pages.

* Remove more unneeded translations.

---------

Co-authored-by: Daniel Scalzi <d_scalzi@yahoo.com>

app/frame.ejs

@@ -13,7 +13,7 @@
         <% } else{ %>  
             <div id="frameContentWin">
                 <div id="frameTitleDock">
-                    <span id="frameTitleText">Helios Launcher</span>
+                    <span id="frameTitleText"><%= lang('app.title') %></span>
                 </div>
                 <div id="frameButtonDockWin">
                     <button class="frameButton fMb" id="frameButton_minimize" tabIndex="-1">