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.

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

package.json

@@ -35,7 +35,9 @@
     "helios-core": "~2.0.5",
     "helios-distribution-types": "^1.2.0",
     "jquery": "^3.7.0",
-    "semver": "^7.5.4"
+    "lodash.merge": "^4.6.2",
+    "semver": "^7.5.4",
+    "toml": "^3.0.0"
   },
   "devDependencies": {
     "electron": "^26.0.0",