Add OKB network

https://chainlist.org/chain/196

Author: vforgeoux-ledger

src_common/network.c

@@ -70,6 +70,7 @@ static const network_info_t NETWORK_MAPPING[] = {
     {.chain_id = 245022926, .name = "Neon EVM Devnet", .ticker = "NEON"},
     {.chain_id = 4919, .name = "Venidium", .ticker = "XVM"},
     {.chain_id = 40, .name = "Telos EVM Mainnet", .ticker = "TLOS"},
+    {.chain_id = 196, .name = "OKBChain Mainnet", .ticker = "OKB"},
     {.chain_id = 248, .name = "Oasys", .ticker = "OAS"}};
 
 static const network_info_t *get_network_from_chain_id(const uint64_t *chain_id) {