Improve IAVSRegistrar references in AllocationManager docs

Author: HudsonGraeme

docs/core/AllocationManager.md

@@ -366,10 +366,16 @@ This method makes an external call to the `IAVSRegistrar.registerOperator` metho
  * for one or more operator sets. This method should revert if registration
  * is unsuccessful.
  * @param operator the registering operator
+ * @param avs the AVS the operator is registering for. This should be the same as IAVSRegistrar.avs()
  * @param operatorSetIds the list of operator set ids being registered for
  * @param data arbitrary data the operator can provide as part of registration
- */
-function registerOperator(address operator, uint32[] calldata operatorSetIds, bytes calldata data) external;
+*/
+function registerOperator(
+     address operator,
+     address avs,
+     uint32[] calldata operatorSetIds,
+     bytes calldata data
+ ) external;
 ```
 
 *Effects*:
@@ -431,9 +437,10 @@ This method makes an external call to the `IAVSRegistrar.deregisterOperator` met
  * @notice Called by the AllocationManager when an operator is deregistered from
  * one or more operator sets. If this method reverts, it is ignored.
  * @param operator the deregistering operator
+ * @param avs the AVS the operator is deregistering from. This should be the same as IAVSRegistrar.avs()
  * @param operatorSetIds the list of operator set ids being deregistered from
- */
-function deregisterOperator(address operator, uint32[] calldata operatorSetIds) external;
+*/
+function deregisterOperator(address operator, address avs, uint32[] calldata operatorSetIds) external;
 ```
 
 *Effects*:
@@ -853,18 +860,34 @@ interface IAVSRegistrar {
      * for one or more operator sets. This method should revert if registration
      * is unsuccessful.
      * @param operator the registering operator
+     * @param avs the AVS the operator is registering for. This should be the same as IAVSRegistrar.avs()
      * @param operatorSetIds the list of operator set ids being registered for
      * @param data arbitrary data the operator can provide as part of registration
      */
-    function registerOperator(address operator, uint32[] calldata operatorSetIds, bytes calldata data) external;
+    function registerOperator(
+        address operator,
+        address avs,
+        uint32[] calldata operatorSetIds,
+        bytes calldata data
+    ) external;
 
     /**
      * @notice Called by the AllocationManager when an operator is deregistered from
      * one or more operator sets. If this method reverts, it is ignored.
      * @param operator the deregistering operator
+     * @param avs the AVS the operator is deregistering from. This should be the same as IAVSRegistrar.avs()
      * @param operatorSetIds the list of operator set ids being deregistered from
      */
-    function deregisterOperator(address operator, uint32[] calldata operatorSetIds) external;
+    function deregisterOperator(address operator, address avs, uint32[] calldata operatorSetIds) external;
+
+    /**
+     * @notice Returns true if the AVS is supported by the registrar
+     * @param avs the AVS to check
+     * @return true if the AVS is supported, false otherwise
+     */
+    function supportsAVS(
+        address avs
+    ) external view returns (bool);
 }
 ```