feat: localisation with lyricist

app/src/main/java/com/bitcointxoko/gudariwallet/ui/HomeTab.kt

@@ -46,7 +46,7 @@ fun HomeTab(
     val balanceHidden by vm.balanceHidden.collectAsState()
 
     // ── NEW: language switcher state ──────────────────────────────────────────
-    val supportedTags = remember { listOf("en", "es") }   // add more as you add locale files
+    val supportedTags = remember { listOf("en", "es", "eu") }   // add more as you add locale files
 
     val isRefreshing = balanceState is BalanceState.Loading
             || (balanceState as? BalanceState.Success)?.isRefreshing == true
@@ -296,6 +296,7 @@ private fun LanguageSwitcherButton(
         when (tag) {
             "en" -> "English"
             "es" -> "Español"
+            "eu" -> "Euskara"
             else -> tag.uppercase()
         }
     }