Add experimental GraphQL user parser

src/experimental/types/graphql.nim

@@ -0,0 +1,12 @@
+import user
+
+type
+  GraphUserResult* = object
+    legacy*: RawUser
+    restId*: string
+
+  GraphUserData* = object
+    result*: GraphUserResult
+
+  GraphUser* = object
+    data*: tuple[user: GraphUserData]

src/experimental/types/user.nim

@@ -19,6 +19,7 @@ type
     profileBannerUrl*: string
     profileImageUrlHttps*: string
     profileLinkColor*: string
+    pinnedTweetIdsStr*: seq[string]
 
   Entities* = object
     url*: Urls