gap7: fix link formatting (#25)

Author: magicmark

gaps/GAP-7/DRAFT.md

@@ -1,6 +1,6 @@
-# Fully Qualified Operation Name (FQON)
+# Fully Qualified Operation Names (FQON)
 
-**Introduction**
+## Introduction
 
 :: This document specifies _Fully Qualified Operation Name_ (FQON), a
 human‑readable, unambiguous identifier for GraphQL operations.
@@ -10,6 +10,9 @@ configuration files (e.g. for alerting rules per operation) which correctly
 targets operations, but without having to update the configuration each time a
 _document id_ changes.
 
+Note: See [README.md](https://github.com/graphql/gaps/blob/main/gaps/GAP-7/README.md)
+for additional context.
+
 This specification assumes usage of
 [trusted documents](https://graphql.org/learn/security/#trusted-documents) and
 [Git version control](https://git-scm.com/).
@@ -50,8 +53,6 @@ they cannot reliably identify an operation across multiple platforms or
 deployment versions. On the other hand, a _document id_ is guaranteed to be
 unique but is inconvenient for humans to read and maintain.
 
-Note: See <README.md> for additional context.
-
 **Use Cases**
 
 - A _FQON_ may be printed instead of the operation name in application logs.