feat: add mock implementations for configuration settings and update AppState to include config

apps/api/src/configs/auth.rs

@@ -48,4 +48,13 @@ impl FromConfig for AuthSettings {
     fn validate(&self) -> Result<(), String> {
         Ok(())
     }
+
+    #[cfg(test)]
+    fn mock() -> Self {
+        AuthSettings {
+            jwt_secret: Some("mock_jwt_secret".to_string()),
+            default_admin_username: Some("admin".to_string()),
+            default_admin_password: Some("password".to_string()),
+        }
+    }
 }