API DOC: Add details and labels

[SamantaCasal]

Description

1. Add Curl+API Request URL first in the Response body.

2. Add "Description " as title before each description.

3. Add message:

• This FILE specifies the endpoints that should display the warning message. The endpoint to be replaced is listed in the Replac/Cover by column.
• The message should come after the description.

Message:

This endpoint will be deprecated in the coming months. No exact date is set yet. Please migrate to the new [API  endpoint name] soon.

4. Add label [Upcoming Deprecation] next to API endpoint

5. The following endpoints are not listed:

• GET /api/v1/tokens-symbol-volume
• GET /api/v1/tokens-symbol-activity

6. Make the following changes on:

• /api/v1/application-activity
• /api/v1/native-token-transfer/transfer-by-time
• /api/v1/x-chain-activity/tops

6.1 Add 1h in timespan-> Time span, supported values: 1h, 1d, 1mo and 1y
6.2 From/To change the description to :
From and to date, supported format ISO 8601 timestamp, for example: UTC Time 2024-01-01T15:04:05Z / Local Time 2006-01-01T15:04:05-07:00.