SP-1710-FE-Create-Sidebar (#278)

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## Jira Ticket
[SP-1710](https://syncrow.atlassian.net/browse/SP-1710)

## Description

1. Implemented Space Management Community Side Tree.
2. Implemented Creating a new community feature.

## Type of Change

<!--- Put an `x` in all the boxes that apply: -->

- [x] ✨ New feature (non-breaking change which adds functionality)
- [ ] 🛠️ Bug fix (non-breaking change which fixes an issue)
- [ ] ❌ Breaking change (fix or feature that would cause existing
functionality to change)
- [ ] 🧹 Code refactor
- [ ] ✅ Build configuration change
- [ ] 📝 Documentation
- [ ] 🗑️ Chore 


[SP-1710]:
https://syncrow.atlassian.net/browse/SP-1710?atlOrigin=eyJpIjoiNWRkNTljNzYxNjVmNDY3MDlhMDU5Y2ZhYzA5YTRkZjUiLCJwIjoiZ2l0aHViLWNvbS1KU1cifQ

lib/pages/spaces_management/all_spaces/widgets/space_tile_widget.dart

@@ -4,11 +4,10 @@ import 'package:syncrow_web/common/widgets/custom_expansion_tile.dart';
 class SpaceTile extends StatefulWidget {
   final String title;
   final bool isSelected;
-
   final bool initiallyExpanded;
   final ValueChanged<bool> onExpansionChanged;
   final List<Widget>? children;
-  final Function() onItemSelected;
+  final void Function() onItemSelected;
 
   const SpaceTile({
     super.key,