Improve Reports page

Improve the UI of the Reports Page along with adding the following information about there Project in a meaningful manner

1. Request Total

2. Requests - over time

   1. By Flow

   2. By Error Code

3. Execution Durations - over time

   1. By Flow

4. Model - Costs & Token - Total / By model

5. Costs - over time

   1. By Flow

   2. By model

6. Tokens

   1. By Flow

   2. By model

7. Latency

   1. By Flow

   2. Model