init rust db backend

lootalot_db/src/schema.rs

@@ -0,0 +1,37 @@
+table! {
+    items (id) {
+        id -> Nullable<Integer>,
+        name -> Text,
+        base_price -> Integer,
+    }
+}
+
+table! {
+    looted (id) {
+        id -> Nullable<Integer>,
+        player_id -> Integer,
+        item_id -> Integer,
+        acquired_date -> Nullable<Date>,
+    }
+}
+
+table! {
+    players (id) {
+        id -> Nullable<Integer>,
+        name -> Text,
+        debt -> Nullable<Integer>,
+        cp -> Nullable<Integer>,
+        sp -> Nullable<Integer>,
+        gp -> Nullable<Integer>,
+        pp -> Nullable<Integer>,
+    }
+}
+
+joinable!(looted -> items (item_id));
+joinable!(looted -> players (player_id));
+
+allow_tables_to_appear_in_same_query!(
+    items,
+    looted,
+    players,
+);