Add a send to Transmission action

src/schema.rs

@@ -10,3 +10,15 @@ diesel::table! {
         published_at -> Timestamp,
     }
 }
+
+diesel::table! {
+    transmission_processed (id) {
+        id -> Nullable<Integer>,
+        magnet_id -> Integer,
+        processed_at -> Timestamp,
+    }
+}
+
+diesel::joinable!(transmission_processed -> magnets (magnet_id));
+
+diesel::allow_tables_to_appear_in_same_query!(magnets, transmission_processed,);