Add decentra validator info

[vijaypondini]

Add decentra testnet to validator info

[greptile-apps]

Greptile Summary

Added validator information file for Decentra testnet validator (ID 228).

• Added new JSON file 03dbafb3434a83f2ed0b10fd54d7dfe76b148a7d8d72f61562dfc1c102315c4ef4.json in the testnet directory
• Includes all required fields: id, name, secp, bls, website, description, logo, and x (Twitter/X)
• File follows the standard schema format used by other validators
• Filename correctly matches the secp public key
• All URLs use https protocol as required

Confidence Score: 5/5

• This PR is safe to merge with minimal risk
• The PR adds a single validator info JSON file that follows the correct schema format, includes all required fields with proper data types, and the filename matches the secp key. The automated GitHub checks will verify the logo URL accessibility and on-chain key validation.
• No files require special attention

Important Files Changed

Filename	Overview
testnet/03dbafb3434a83f2ed0b10fd54d7dfe76b148a7d8d72f61562dfc1c102315c4ef4.json	Added new Decentra validator info with all required fields following the correct schema

_{Last reviewed commit: 61b1521}