Add English translation and locale configuration

Add English locale support with automatic redirect based on browser language. Configure locale dropdown with Hungarian and English options. Remove blog functionality and announcement bar. Include English translations for all UI strings and blog content.

Author: scripthunter7

docusaurus.config.ts

@@ -18,12 +18,31 @@ const config: Config = {
       onBrokenMarkdownLinks: 'warn',
     },
   },
-  // TODO: Add English translation
   i18n: {
     defaultLocale: 'hu',
-    locales: ['hu'],
+    locales: ['hu', 'en'],
+    localeConfigs: {
+      hu: {
+        label: 'Magyar',
+        direction: 'ltr',
+        htmlLang: 'hu',
+      },
+      en: {
+        label: 'English',
+        direction: 'ltr',
+        htmlLang: 'en',
+      },
+    },
   },
-  plugins: [tailwindPlugin],
+  plugins: [
+    tailwindPlugin,
+    () => ({
+      name: 'locale-redirect-plugin',
+      getClientModules() {
+        return ['./src/clientModules/localeRedirect.ts'];
+      },
+    }),
+  ],
   presets: [
     [
       'classic',
@@ -33,13 +52,7 @@ const config: Config = {
           editUrl:
             'https://github.com/hufilter/hufilter.github.io/tree/main/',
         },
-        blog: {
-          showReadingTime: true,
-          // Please change this to your repo.
-          // Remove this to remove the "edit this page" links.
-          editUrl:
-            'https://github.com/hufilter/hufilter.github.io/tree/main/',
-        },
+        blog: false,
         theme: {
           customCss: './src/css/custom.css',
         },
@@ -48,14 +61,6 @@ const config: Config = {
   ],
 
   themeConfig: {
-    announcementBar: {
-      id: 'notice',
-      content:
-        'A hufilter.hu tartalma kialakítás alatt van. Az oldal jelenleg tesztüzemben működik.',
-      backgroundColor: '#fafbfc',
-      textColor: '#091E42',
-      isCloseable: true,
-    },
     image: 'img/social-card.png',
     navbar: {
       title: 'hufilter',
@@ -91,7 +96,6 @@ const config: Config = {
         //   position: 'left',
         //   label: 'Wiki',
         // },
-        {to: '/blog', label: 'Blog', position: 'left'},
         {
           type: 'localeDropdown',
           position: 'right',
@@ -135,10 +139,6 @@ const config: Config = {
         {
           title: 'Egyéb',
           items: [
-            {
-              label: 'Blog',
-              to: '/blog',
-            },
             {
               label: 'GitHub',
               href: 'https://github.com/hufilter/hufilter',