Begin implementing unshell_lib::manager functionality in server

unshell-server/src/server/mod.rs

@@ -0,0 +1,30 @@
+mod database;
+mod manager;
+
+use std::sync::{Arc, Mutex};
+
+use unshell_lib::module::Manager;
+
+use crate::SERVER_CONFIG;
+
+#[derive(Clone)]
+pub struct Server {
+    pub manager: Arc<Mutex<Manager>>,
+    pub db: sled::Db,
+}
+
+impl Server {
+    pub fn new(database: String) -> Self {
+        Self {
+            manager: Manager::start(&SERVER_CONFIG, Vec::new()),
+            db: sled::open(database).expect("Failed to open database"),
+        }
+    }
+}
+
+impl Drop for Server {
+    fn drop(&mut self) {
+        self.db.flush().expect("Failed to flush database on drop");
+        Manager::join(self.manager.clone());
+    }
+}