feat(bisaya-course): enhance German course content and localization support

- Updated the create-german-for-bisaya-course-content.js script to improve lesson pattern retrieval by introducing a new function for generating a lesson pattern pool.
- Added new exercises for various topics including 'Wohnung & Nachbarn', 'Besuch empfangen', 'Arzt, Apotheke, Termin', and 'Amt, Dokumente, Anmeldung', enhancing practical language skills for learners.
- Improved localization by integrating translation keys for various UI elements and error messages across multiple components, ensuring a consistent user experience in both German and Bisaya.
- Enhanced the main.js file to recognize Bisaya language preferences in browser settings, improving accessibility for users.

frontend/src/store/index.js

@@ -54,6 +54,11 @@ const store = createStore({
     language: (() => {
       // Verwende die gleiche Logik wie in main.js
       const browserLanguage = navigator.language || navigator.languages[0];
+
+      if (browserLanguage.startsWith('ceb') || browserLanguage.startsWith('bis')) {
+        return 'ceb';
+      }
+
       const germanSpeakingCountries = ['de', 'at', 'ch', 'li'];
       
       if (browserLanguage.startsWith('de')) {
@@ -62,6 +67,9 @@ const store = createStore({
       
       const allLanguages = navigator.languages || [navigator.language];
       for (const lang of allLanguages) {
+        if (lang.startsWith('ceb') || lang.startsWith('bis')) {
+          return 'ceb';
+        }
         if (lang.startsWith('de-')) {
           const countryCode = lang.split('-')[1]?.toLowerCase();
           if (germanSpeakingCountries.includes(countryCode)) {
@@ -104,6 +112,12 @@ const store = createStore({
       
       // Setze die Sprache auf die Browser-Sprache zurück
       const browserLanguage = navigator.language || navigator.languages[0];
+
+      if (browserLanguage.startsWith('ceb') || browserLanguage.startsWith('bis')) {
+        state.language = 'ceb';
+        return;
+      }
+
       const germanSpeakingCountries = ['de', 'at', 'ch', 'li'];
       
       if (browserLanguage.startsWith('de')) {
@@ -112,6 +126,10 @@ const store = createStore({
         const allLanguages = navigator.languages || [navigator.language];
         let isGerman = false;
         for (const lang of allLanguages) {
+          if (lang.startsWith('ceb') || lang.startsWith('bis')) {
+            state.language = 'ceb';
+            return;
+          }
           if (lang.startsWith('de-')) {
             const countryCode = lang.split('-')[1]?.toLowerCase();
             if (germanSpeakingCountries.includes(countryCode)) {