docs: Add comprehensive JSDoc for getDeployedInfraContract function

Author: gregfromstl

packages/thirdweb/src/contract/deployment/utils/infra.ts

@@ -29,6 +29,18 @@ type GetDeployedInfraParams = Prettify<
 
 /**
  * @internal
+ * Retrieves a deployed infrastructure contract instance for the specified contract ID
+ * @param options - Configuration options for locating the infrastructure contract
+ * @param options.client - ThirdwebClient instance
+ * @param options.chain - Target blockchain network
+ * @param options.contractId - Identifier for the infrastructure contract (e.g. "WETH9", "Forwarder")
+ * @param options.constructorParams - Optional constructor parameters for contract initialization
+ * @param options.publisher - Optional custom publisher address
+ * @param options.version - Optional specific contract version to retrieve
+ * @returns Promise that resolves to the contract instance if deployed, null otherwise
+ * @remarks
+ * This function fetches published contract metadata and attempts to locate an existing deployment
+ * of the specified infrastructure contract on the target chain
  */
 export async function getDeployedInfraContract(
   options: GetDeployedInfraParams,