add logo to login page

pubspec.yaml

@@ -42,6 +42,7 @@ dependencies:
   file_selector_macos: ^0.9.4
   file_selector_windows: ^0.9.3
   file_selector_web: ^0.9.4
+  flutter_svg: ^2.0.10
 
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
@@ -73,6 +74,8 @@ flutter:
     - family: Tomatoes
       fonts:
         - asset: lib/assets/fonts/Tomatoes-O8L8.ttf
+  assets:
+    - assets/logos/pg_logo_v2.svg
   # To add assets to your application, add an assets section, like this:
   # assets:
   #   - images/a_dot_burr.jpeg