docs: add missing contracts dataset (#34)

README.md

@@ -31,6 +31,7 @@ cryo can extract the following datasets from EVM nodes:
 - `blocks`
 - `transactions` (alias = `txs`)
 - `logs` (alias = `events`)
+- `contracts`
 - `traces` (alias = `call_traces`)
 - `state_diffs` (alias for `storage_diffs` + `balance_diff` + `nonce_diffs` + `code_diffs`)
 - `balance_diffs`
@@ -95,6 +96,7 @@ Many `cryo` cli options will affect output schemas by adding/removing columns or
 |Blocks|1|1|`eth_getBlockByNumber`|
 |Transactions|1|multiple|`eth_getBlockByNumber`|
 |Logs|multiple|multiple|`eth_getLogs`|
+|Contracts|1|multiple|`trace_block`|
 |Traces|1|multiple|`trace_block`|
 |State Diffs|1|multiple|`trace_replayBlockTransactions`|
 |Vm Traces|1|multiple|`trace_replayBlockTransactions`|
@@ -117,6 +119,7 @@ Arguments:
                  - blocks
                  - transactions  (alias = txs)
                  - logs          (alias = events)
+                 - contracts
                  - traces        (alias = call_traces)
                  - state_diffs   (= balance + code + nonce + storage diffs)
                  - balance_diffs

crates/cli/src/args.rs

@@ -220,6 +220,7 @@ fn get_datatype_help() -> &'static str {
 - <white><bold>blocks</bold></white>
 - <white><bold>transactions</bold></white>  (alias = <white><bold>txs</bold></white>)
 - <white><bold>logs</bold></white>          (alias = <white><bold>events</bold></white>)
+- <white><bold>contracts</bold></white>
 - <white><bold>traces</bold></white>        (alias = <white><bold>call_traces</bold></white>)
 - <white><bold>state_diffs</bold></white>   (= balance + code + nonce + storage diffs)
 - <white><bold>balance_diffs</bold></white>

crates/python/python_tests/test_datatypes.py

@@ -11,6 +11,7 @@
     'transactions',
     'txs',
     'logs',
+    'contracts',
     'traces',
     'nonce_diffs',
     'balance_diffs',