Move CHANGELOG after Advanced section in docs

Author: benoitc

rebar.config

@@ -35,7 +35,6 @@
     {main, <<"readme">>},
     {extras, [
         <<"README.md">>,
-        <<"CHANGELOG.md">>,
         <<"docs/getting-started.md">>,
         <<"docs/ai-integration.md">>,
         <<"docs/type-conversion.md">>,
@@ -44,7 +43,8 @@
         <<"docs/memory.md">>,
         <<"docs/scalability.md">>,
         <<"docs/threading.md">>,
-        <<"docs/testing-free-threading.md">>
+        <<"docs/testing-free-threading.md">>,
+        <<"CHANGELOG.md">>
     ]},
     {groups_for_extras, [
         {<<"Guides">>, [