tts: add native tts plugin for Android (#1376)

apps/readest-app/src-tauri/plugins/tauri-plugin-native-tts/build.rs

@@ -0,0 +1,23 @@
+const COMMANDS: &[&str] = &[
+    "init",
+    "speak",
+    "stop",
+    "pause",
+    "resume",
+    "set_rate",
+    "set_pitch",
+    "set_voice",
+    "set_primary_lang",
+    "get_voices",
+    "get_voice_id",
+    "get_all_voices",
+    "get_granularities",
+    "get_speaking_lang",
+];
+
+fn main() {
+    tauri_plugin::Builder::new(COMMANDS)
+        .android_path("android")
+        .ios_path("ios")
+        .build();
+}