add cost report in weekly reporting email.

**Describe the bug**
currently cost report email comes daily , but for weekly report , cost table is missing.

**To Reproduce**
1. open below scheduler class (com.intuit.quickfabric.schedulers.functions.EMRClusterMetricsSchedulers) in this location. https://github.com/intuit/QuickFabric/tree/master/Middleware/schedulers code
2. go to this method (generateWeeklyReport() )
3. Ami violation table is not included, please add that same as daily report email (take a reference from generateDailyReport() method).

**Expected behavior**
We should be able to see cost table in weekly report email.