Add Rust Code to Match Latest Method Types & CU Consumption

[LlamaMB]

Summary: Ensure our method type's listed here are (1) supported and have the corresponding (2) CUs attached to them.
Context:

1. Our current list: https://github.com/llamanodes/web3-proxy/blob/devel/web3_proxy/src/compute_units.rs

2. What we need to add to the above list:

Polygon & Ethereum
---Specially all OtterScan Methods and corresponding CU's
 
ots_getInternalOperations
ots_hasCode
ots_getTransactionError
ots_traceTransaction
ots_getBlockDetails
ots_getBlockDetailsByHash
ots_getBlockTransactions
ots_searchTransactionsBefore
ots_searchTransactionsAfter
ots_getTransactionBySenderAndNonce
ots_getContractCreator