add manta pacific chain support

[anassohail99]

No description provided.

[llamatester]

Error while running adapter at projects/a51-finance-v3:

Error: 
    Unknown chain(s): mantaPacific
    Note: if you think that the chain is correct but missing from our list, please add it to 'projects/helper/chains.json' file
    
Error saving cache: Error: ENOENT: no such file or directory, open '/home/runner/work/DefiLlama-Adapters/DefiLlama-Adapters/node_modules/@defillama/sdk/build/util/local_cache/zlib-1.0/BlockCache.json'
    at Object.openSync (node:fs:596:3)
    at Object.writeFileSync (node:fs:2322:35)
    at process.saveCache (/home/runner/work/DefiLlama-Adapters/DefiLlama-Adapters/node_modules/@defillama/sdk/build/util/cache.js:152:17)
    at process.emit (node:events:529:35)
    at process.exit (node:internal/process/per_thread:191:15)
    at process.handleError (/home/runner/work/DefiLlama-Adapters/DefiLlama-Adapters/utils/handleError.js:18:11)
    at process.emit (node:events:529:35)
    at emit (node:internal/process/promises:149:20)
    at processPromiseRejections (node:internal/process/promises:283:27)
    at process.processTicksAndRejections (node:internal/process/task_queues:96:32) {
  errno: -2,
  syscall: 'open',
  code: 'ENOENT',
  path: '/home/runner/work/DefiLlama-Adapters/DefiLlama-Adapters/node_modules/@defillama/sdk/build/util/local_cache/zlib-1.0/BlockCache.json'
}

[llamatester]

The adapter at projects/a51-finance-v3 exports TVL:

polygon-staking           74.76 k
staking                   74.76 k
arbitrum                  4.27 k
optimism                  3.37 k
blast                     298
manta                     29
bsc                       13
polygon                   12
base                      10
scroll                    9

total                    8.02 k 

[g1nt0ki]

thanks, included your changes here: ab43709