feat: site language control button in authenticated learning header (#693)

* feat: site language control button in authenticated learning header

* chore: lockfile

* style: quality

* fix: add tests and various style adjustments

* style: moved files into folders

* fix: moved flag check to parent component, pr comments

* fix: pr comments

* fix: revert unessecary change, remove unused styles

Author: jansenk

.eslintignore

@@ -3,3 +3,4 @@ dist
 example
 node_modules
 src/lightning.js
+.eslintrc.js

.eslintrc.js

@@ -5,4 +5,24 @@ module.exports = createConfig('eslint', {
   globals: {
     lightningjs: true,
   },
+  rules: {
+    '@typescript-eslint/no-unused-vars': [
+      'error',
+      {
+        argsIgnorePattern: '^_',
+        varsIgnorePattern: '^_',
+      },
+    ],
+    'react/jsx-filename-extension': [1, { extensions: ['.tsx', '.jsx'] }],
+    'import/extensions': [
+      'error',
+      'ignorePackages',
+      {
+        js: 'never',
+        jsx: 'never',
+        ts: 'never',
+        tsx: 'never',
+      },
+    ],
+  },
 });