feature: localization's first implmentation done. all frontend hardcoded text is now localized.

frontend/src/app/[locale]/(public)/register/page.tsx

@@ -145,7 +145,7 @@ export default function RegisterPage() {
                 <Input
                   label={t('fullName')}
                   {...register('name')}
-                  placeholder="John Doe"
+                  placeholder={t('namePlaceholder')}
                   error={errors.name?.message}
                   icon={<User className="h-5 w-5 icon-flat" />}
                 />
@@ -153,7 +153,7 @@ export default function RegisterPage() {
                   label={t('email')}
                   {...register('email')}
                   type="email"
-                  placeholder="you@example.com"
+                  placeholder={t('emailPlaceholder')}
                   error={errors.email?.message}
                   icon={<Mail className="h-5 w-5 icon-flat" />}
                 />
@@ -161,7 +161,7 @@ export default function RegisterPage() {
                   label={t('password')}
                   {...register('password')}
                   type="password"
-                  placeholder="••••••••"
+                  placeholder={t('passwordPlaceholder')}
                   error={errors.password?.message}
                   icon={<Lock className="h-5 w-5 icon-flat" />}
                 />
@@ -169,7 +169,7 @@ export default function RegisterPage() {
                   label={t('confirmPassword')}
                   {...register('confirmPassword')}
                   type="password"
-                  placeholder="••••••••"
+                  placeholder={t('passwordPlaceholder')}
                   error={errors.confirmPassword?.message}
                   icon={<Lock className="h-5 w-5 icon-flat" />}
                 />
@@ -205,11 +205,11 @@ export default function RegisterPage() {
           </form>
 
           <p className="mt-6 text-xs text-center text-text-muted">
-            By signing up, you agree to our{' '}
+            {t('termsIntro')}{' '}
             <Link href="/terms" className="text-primary hover:opacity-90">
               {t('termsOfService')}
             </Link>{' '}
-            and{' '}
+            {tCommon('and')}{' '}
             <Link href="/privacy" className="text-primary hover:opacity-90">
               {t('privacyPolicy')}
             </Link>