Display relay rewards and transactions

[okdas]

Objective

Implement the display of Rewards data and transactions for the past block on the DevNet Dashboard.

Origin Document

pokt-network/pocket#551

Goals

• Integrate reward data fetching from the blockchain API into the dashboard.
• Add a table with transactions.
• Design a visual representation of reward data in a clear and concise manner.

Deliverable

• Implementation of rewards/tx data retrieval.
• Visualization of rewards data on the dashboard.
• A table with transactions.

Non-goals / Non-deliverables

• Implementation of the historical data retrieval (e.g. rewards for the last 1d/7d/1m/etc).

General issue deliverables

• Update any relevant README(s)
• Add or update any relevant or supporting mermaid diagrams

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Creator: @okdas
Co-Owners: N/A

[okdas]

Most of this is covered by the developer dashboard, but I'll keep this ticket to implement the transaction list. The developer dashboard currently doesn't preserve the historical data (due to how volatile the network is, how the blocks can be set to 0, etc). We might add the historical data to the dashboard once the state sync is on and the network behavior is more predictable.