add: drawings in questions

crates/core/src/model/communities.rs

@@ -345,6 +345,9 @@ pub struct Question {
     /// The IP of the question creator for IP blocking and identifying anonymous users.
     #[serde(default)]
     pub ip: String,
+    /// The IDs of all uploads which hold this question's drawings.
+    #[serde(default)]
+    pub drawings: Vec<usize>,
 }
 
 impl Question {
@@ -369,6 +372,7 @@ impl Question {
             dislikes: 0,
             context: QuestionContext::default(),
             ip,
+            drawings: Vec::new(),
         }
     }
 }