Add optional imdb_id

src/models.rs

@@ -12,6 +12,7 @@ pub struct Magnet {
     pub subreddit: String,
     pub link: String,
     pub published_at: NaiveDateTime,
+    pub imdb_id: Option<String>,
 }
 
 #[derive(Insertable)]
@@ -23,6 +24,7 @@ pub struct NewMagnet<'a> {
     pub subreddit: &'a str,
     pub link: &'a str,
     pub published_at: &'a NaiveDateTime,
+    pub imdb_id: Option<&'a str>,
 }
 
 #[derive(Queryable, Selectable)]