Problem
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No SR reflection in fees-monitoring dashboard
Solution
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Adjust API-methods for mev-monitoring-api
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Add `module_name` query-parameter to the above API-methods of `mev-monitoring-api`:
- `/v1/slots`
- `/v1/slots/count`
Adjust UI widgets for SR
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Add selectbox to specify desired staking module to be previewed as depicted in below picture:

Introduce new SR section
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