Update to more generic db models

Also integrated entities into codebase

src/entity/game_to_team_result.rs

@@ -0,0 +1,47 @@
+//! `SeaORM` Entity, @generated by sea-orm-codegen 1.0.0
+
+use sea_orm::entity::prelude::*;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Debug, PartialEq, DeriveEntityModel, Eq, Serialize, Deserialize)]
+#[sea_orm(table_name = "game_to_team_result")]
+pub struct Model {
+    #[sea_orm(primary_key, auto_increment = false)]
+    pub game_id: i32,
+    #[sea_orm(primary_key, auto_increment = false)]
+    pub team_result_id: i32,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {
+    #[sea_orm(
+        belongs_to = "super::game::Entity",
+        from = "Column::GameId",
+        to = "super::game::Column::Id",
+        on_update = "NoAction",
+        on_delete = "NoAction"
+    )]
+    Game,
+    #[sea_orm(
+        belongs_to = "super::team_result::Entity",
+        from = "Column::TeamResultId",
+        to = "super::team_result::Column::Id",
+        on_update = "NoAction",
+        on_delete = "NoAction"
+    )]
+    TeamResult,
+}
+
+impl Related<super::game::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::Game.def()
+    }
+}
+
+impl Related<super::team_result::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::TeamResult.def()
+    }
+}
+
+impl ActiveModelBehavior for ActiveModel {}