feat(fs): resolve content URIs on Android (#1658)

* Implemented writeTextFile on Android.

* Added license headers.

* fix fmt checks.

* implement more file APIs

* change file

* cleanup

* refactor dialog plugin to leverage new FS APIs

* implement metadata functions

* fix build

* expose FS rust API

* resolve resources on android

* update pnpm

* update docs

---------

Co-authored-by: Lucas Nogueira <lucas@tauri.app>

plugins/fs/build.rs

@@ -190,5 +190,6 @@ permissions = [
     tauri_plugin::Builder::new(COMMANDS)
         .global_api_script_path("./api-iife.js")
         .global_scope_schema(schemars::schema_for!(FsScopeEntry))
+        .android_path("android")
         .build();
 }