Add primeETH: Prime Staked ETH

[sumpg41]

Please provide the following information for your token.

• Token Address (HAS to be checksummed): 0x6ef3D766Dfe02Dc4bF04aAe9122EB9A0Ded25615
• Token Name (from contract): Prime Staked ETH
• Token Decimals (from contract): 18
• Token Symbol (from contract): primeETH
• Official project link: https://primestaked.com/
• CoinGecko/CoinMarketCap token page: https://www.coingecko.com/en/coins/prime-staked-eth

[maxdesalle]

Done.