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/dialogues/auth/PasswordResetDialog.vue

@@ -4,8 +4,8 @@
             <div class="form-field">
                 <label for="password-reset-email">{{ $t("passwordReset.email") }}</label>
                 <input id="password-reset-email" type="email" v-model="email" required :class="{ 'field-error': emailTouched && !isEmailValid }" />
-                <span class="form-hint">Wir senden den Link an die hinterlegte E-Mail-Adresse.</span>
-                <span v-if="emailTouched && !isEmailValid" class="form-error">Bitte eine gültige E-Mail-Adresse eingeben.</span>
+                <span class="form-hint">{{ $t("passwordReset.emailHint") }}</span>
+                <span v-if="emailTouched && !isEmailValid" class="form-error">{{ $t("passwordReset.validation.invalidEmail") }}</span>
             </div>
         </div>
     </DialogWidget>