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>

.changes/dialog-return-path.md

@@ -0,0 +1,7 @@
+---
+"dialog": patch
+"dialog-js": patch
+---
+
+The `open` function now returns a string representing either the file path or URI instead of an object.
+To read the file data, use the `fs` APIs.

.changes/resolve-content-uris.md

@@ -0,0 +1,5 @@
+---
+"fs": patch:feat
+---
+
+Resolve `content://` path URIs on Android.