[FE] Manage Bookable Spaces Tab (#355)

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## Jira Ticket
[SP-1693](https://syncrow.atlassian.net/browse/SP-1693)
[SP-1694](https://syncrow.atlassian.net/browse/SP-1694)

## Description

all about unbookable spaces is Ready

## 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-1693]:
https://syncrow.atlassian.net/browse/SP-1693?atlOrigin=eyJpIjoiNWRkNTljNzYxNjVmNDY3MDlhMDU5Y2ZhYzA5YTRkZjUiLCJwIjoiZ2l0aHViLWNvbS1KU1cifQ
[SP-1694]:
https://syncrow.atlassian.net/browse/SP-1694?atlOrigin=eyJpIjoiNWRkNTljNzYxNjVmNDY3MDlhMDU5Y2ZhYzA5YTRkZjUiLCJwIjoiZ2l0aHViLWNvbS1KU1cifQ

lib/utils/constants/api_const.dart

@@ -141,6 +141,12 @@ abstract class ApiEndpoints {
       '/projects/{projectUuid}/communities/{communityUuid}/spaces/{spaceUuid}/subspaces/{subSpaceUuid}/devices/{deviceUuid}';
   static const String saveSchedule = '/schedule/{deviceUuid}';
 
-  static const String getBookableSpaces = '/bookable-spaces';
-  static const String getBookings = '/bookings?month={mm}-{yyyy}&space={space}';
+
+
+  ////booking System
+  static const String bookableSpaces = '/bookable-spaces';
+  static const String getCalendarEvents = '/api';
+  static const String getBookings =
+      '/bookings?month={mm}%2F{yyyy}&space={space}';
+
 }