made cancel slot api and modified get by id api to send all the data of scheduling and taking listNow flag in create scheduling api while deleting all the records before creating new ones

serverless/functions/host.yml

@@ -492,4 +492,19 @@ getVenueDurationByAct:
   events:
     - httpApi:
         path: /scheduling/get-venue-duration/{activityXid}
-        method: get
+        method: get
+
+cancelSlotForActivity:
+  handler: src/modules/host/handlers/Activity_Hub/Scheduling/cancelSlot.handler
+  memorySize: 512
+  package:
+    patterns:
+      - 'src/modules/host/handlers/Activity_Hub/Scheduling/**'
+      - ${file(./serverless/patterns/base.yml):pattern1}
+      - ${file(./serverless/patterns/base.yml):pattern2}
+      - ${file(./serverless/patterns/base.yml):pattern3}
+      - ${file(./serverless/patterns/base.yml):pattern4}
+  events:
+    - httpApi:
+        path: /scheduling/cancel-slot
+        method: post