Add new tables, add automatic data cleanup with configurable duration, move company business logic into seperate folder

src/db/models/wara.rs

@@ -0,0 +1,18 @@
+#![allow(dead_code)]
+use chrono::NaiveDateTime;
+use diesel::prelude::*;
+
+#[derive(Debug, Queryable, Selectable)]
+#[diesel(table_name = crate::db::schema::wara)]
+#[diesel(check_for_backend(crate::db::DbBackend))]
+pub struct Wara {
+    pub id: i64,
+
+    pub last_client_reading_cleanup: Option<NaiveDateTime>,
+}
+
+#[derive(Debug, Insertable)]
+#[diesel(table_name = crate::db::schema::wara)]
+pub struct NewWara {
+    pub last_client_reading_cleanup: Option<NaiveDateTime>,
+}