implemented reading of pdf files

app/pubspec.yaml

@@ -18,6 +18,7 @@ dependencies:
   flutter_hooks: ^0.20.5
   flutter_inappwebview: ^6.0.0
   flutter_material_design_icons: ^1.1.7447
+  flutter_pdf_text: ^0.6.0
   flutter_secure_storage: ^9.0.0
   flutter_sharing_intent: ^1.1.1
   go_router: ^13.2.2
@@ -26,6 +27,7 @@ dependencies:
   html: ^0.15.4
   http: ^1.2.1
   logger: ^2.2.0
+  mime: ^1.0.5
   riverpod: ^2.5.1
   riverpod_annotation: ^2.3.5
   rxdart: ^0.27.7
@@ -35,6 +37,7 @@ dependencies:
   speech_to_text_google_dialog: ^0.0.6
   text_scroll: ^0.2.0
   universal_io: ^2.2.2
+  uri_to_file: ^1.0.0
   url_launcher: ^6.2.5
 
 dev_dependencies: