add: ability to mask your account when creating a question

crates/core/src/model/communities.rs

@@ -381,6 +381,9 @@ impl Question {
 pub struct QuestionContext {
     #[serde(default)]
     pub is_nsfw: bool,
+    /// If the owner is shown as anonymous in the UI.
+    #[serde(default)]
+    pub mask_owner: bool,
 }
 
 #[derive(Clone, Debug, Serialize, Deserialize)]