feat(api): add member.autoproxy_enabled

PluralKit.Core/Models/PKMember.cs

@@ -130,6 +130,8 @@ public static class PKMemberExt
         o.Add("created", member.CreatedFor(ctx)?.FormatExport());
         o.Add("keep_proxy", member.KeepProxy);
 
+        o.Add("autoproxy_enabled", ctx == LookupContext.ByOwner ? member.AllowAutoproxy : null);
+
         var tagArray = new JArray();
         foreach (var tag in member.ProxyTags)
             tagArray.Add(new JObject { { "prefix", tag.Prefix }, { "suffix", tag.Suffix } });

docs/content/api/models.md

@@ -51,6 +51,7 @@ Every PluralKit entity has two IDs: a short (5-character) ID and a longer UUID.
 |created|?datetime||
 |proxy_tags|array of [ProxyTag objects](#proxytag-object)|
 |keep_proxy|boolean||
+|autoproxy_enabled|?boolean||
 |privacy|?member privacy object||
 
 * Member privacy keys: `visibility`, `name_privacy`, `description_privacy`, `birthday_privacy`, `pronoun_privacy`, `avatar_privacy`, `metadata_privacy`