Add Dynamic Metrics to the Landing page, Payments page, Requests page

[MantisClone]

Motivation

We believe users would appreciate more dynamic metrics instead of static hard-coded ones.

Definition of Done

• [ ] Landing page: All time # of Requests, Last month # of Requests, All time # of Payments, Last month # of Payments
• [ ] Requests page: All time # of Requests, Last year # of Requests, Last month # of Requests, Last week # of Requests
• [ ] Payments page: All time # of Payments, Last year # of Payments, Last month # of Payments, Last week # of payments

Requires

• [ ] https://github.com/RequestNetwork/storage-subgraph/issues/11
• [ ] https://github.com/RequestNetwork/payments-subgraph/issues/103