fix(gitignore): root interfaces only

.gitignore

@@ -111,7 +111,7 @@ dist
 build/
 cache/
 artifacts/
-interfaces/
+/interfaces/
 
 info/local.json
 keys.json

contracts/interfaces/IAddressTracker.sol

@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: MIT
+
+pragma solidity ^0.8.0;
+
+import { IOwnable } from '@axelar-network/axelar-gmp-sdk-solidity/contracts/interfaces/IOwnable.sol';
+import { IInterchainAddressTracker } from '@axelar-network/axelar-gmp-sdk-solidity/contracts/interfaces/IInterchainAddressTracker.sol';
+
+interface IAddressTracker is IOwnable, IInterchainAddressTracker {
+    /**
+     * @dev Sets the trusted address for the specified chain
+     * @param chain Chain name to be trusted
+     * @param address_ Trusted address to be added for the chain
+     */
+    function setTrustedAddress(string memory chain, string memory address_) external;
+
+    /**
+     * @dev Remove the trusted address of the chain.
+     * @param chain Chain name that should be made untrusted
+     */
+    function removeTrustedAddress(string calldata chain) external;
+}