refactor: renaming from accountPage to myPages

lib/graphql/Fragments/Refs/MyPages/AccountPage.graphql

@@ -0,0 +1,7 @@
+#import "../System.graphql"
+
+fragment AccountPageRef on AccountPage {
+  system {
+    ...System
+  }
+}

lib/graphql/Fragments/Refs/MyPages/Breadcrumbs.graphql

@@ -0,0 +1,26 @@
+#import "../System.graphql"
+
+fragment MyPagesBreadcrumbsRefs on AccountPage {
+  web {
+    breadcrumbs {
+      title
+      parentsConnection {
+        edges {
+          node {
+            ... on AccountPage {
+              breadcrumbs {
+                title
+              }
+              system {
+                ...System
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+  system {
+    ...System
+  }
+}