[ADD]-PIKU Token Logo Update

[melkecelioglu]

[!NOTE] Adds icons and metadata for ERC20 tokens USP, PIKU, and sPIKU on eip155:1.

• Assets:
  • Icons: Add SVG logos for USP (icons/eip155:1/erc20:0x098697bA3Fee4eA76294C5d6A466a4e3b3E95FE6.svg), PIKU (icons/eip155:1/erc20:0x2E4039E8E31475d65DC00293C366FDBfBBC02DC3.svg), and sPIKU (icons/eip155:1/erc20:0x5Da17CA137f1128d4be7Ce574bc61f3ac4839Df8.svg).
  • Metadata: Add ERC20 metadata JSON for USP (USP Yield Optimized Stablecoin), PIKU (PIKU Utility Token), and sPIKU (sPIKU Staked Utility Token) under metadata/eip155:1/erc20:*, including name, symbol, decimals: 18, erc20: true, and logo paths.

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