fix(gateway-contracts): resolve broken links from .md files

Author: isaacdecoded

gateway-contracts/docs/SUMMARY.md

@@ -5,8 +5,8 @@
 ## Getting Started
 
 - Deployment
-  - [Deploy contracts locally](getting-started/local_deploy.md)
-  - [Deploy contracts in Docker](getting-started/docker_deploy.md)
+  - [Deploy contracts locally](getting-started/deployment/local_deploy.md)
+  - [Deploy contracts in Docker](getting-started/deployment/docker_deploy.md)
 - Contracts
-  - [GatewayConfig](contracts/gateway_config.md)
-  - [KmsManagement](contracts/kms_management.md)
+  - [GatewayConfig](getting-started/contracts/gateway_config.md)
+  - [KmsManagement](getting-started/contracts/kms_management.md)

gateway-contracts/docs/getting-started/deployment/local_deploy.md

@@ -40,7 +40,7 @@ make deploy-contracts-local
 
 This:
 
-- deploys the contracts through the `deployAllGatewayContracts` task found in [deploy.ts](../../../tasks/deploy.ts)
+- deploys the contracts through the `deployAllGatewayContracts` task found in [deploy.ts](../../../tasks/deployment/contracts.ts)
 - adds the host chains to the `GatewayConfig` contract through the `addHostChainsToGatewayConfig` task found in
   [addHostChains.ts](../../../tasks/addHostChains.ts)
 

gateway-contracts/docs/references/selectors.md

@@ -1,3 +1,3 @@
 ## Smart Contract selectors
 
-All smart contract selectors can be found in the [contract selectors](../contract_selectors.txt) file.
+All smart contract selectors can be found in the [contract selectors](../../selectors.txt) file.