data: add DappRadar API docs

[livinglife12]

Add the official DappRadar API documentation to the provider docs field.

Verified source: https://docs.dappradar.com/dappradar-api
Grant context: #41

The change was prepared with AI assistance and is submitted for maintainer review; the source link was independently checked before submission. No payout address is included because I do not have the contributor wallet address.

Summary

Type of change

• Add data rows
• Update data rows
• Remove data rows
• Schema change
• Documentation/metadata only

Scope

• Networks affected:

• Categories affected:

• Additional notes, additional context / screenshots:

Links

• Related issue(s)/ DB Improvement Proposal (if schema-related):

Validation checklist

• I followed the Style Guide and Column Definitions. I'm aware of what is !provider syntax, and that entities in /networks sub-folders inherits records from /providers folder
  • Style Guide: https://github.com/Chain-Love/chain-love/wiki/Style-Guide
  • Column Definitions: https://github.com/Chain-Love/chain-love/wiki
• I personally opened and verified every new link I'm adding. I can confirm, that all the links I'm adding are valid.
• If I added new entries - I personally confirmed that the provider I'm adding (modifying) currently supports the adjusted network(s). I've also verified that value in every cell I'm changing is correct according to my best understanding
• This PR is not a blind AI-generated submission

Optional

• Rewards address (for data patching rewards):
• Twitter (X) post link (for +10% of rewards to this PR):