fix toc

Author: lucassaldanha

specs/electra/validator.md

@@ -8,16 +8,22 @@
 
 - [Introduction](#introduction)
 - [Prerequisites](#prerequisites)
+- [Helpers](#helpers)
+  - [Modified `GetPayloadResponse`](#modified-getpayloadresponse)
 - [Containers](#containers)
   - [Modified Containers](#modified-containers)
     - [`AggregateAndProof`](#aggregateandproof)
     - [`SignedAggregateAndProof`](#signedaggregateandproof)
+- [Protocol](#protocol)
+  - [`ExecutionEngine`](#executionengine)
+    - [Modified `get_payload`](#modified-get_payload)
 - [Block proposal](#block-proposal)
   - [Constructing the `BeaconBlockBody`](#constructing-the-beaconblockbody)
     - [Attester slashings](#attester-slashings)
     - [Attestations](#attestations)
     - [Deposits](#deposits)
     - [Execution payload](#execution-payload)
+    - [Execution Requests](#execution-requests)
 - [Attesting](#attesting)
   - [Construct attestation](#construct-attestation)
 - [Attestation aggregation](#attestation-aggregation)