enable zram by default (#2470)

backend/src/db/model.rs

@@ -80,7 +80,7 @@ impl Database {
                     .map(|x| format!("{x:X}"))
                     .join(":"),
                 system_start_time: Utc::now().to_rfc3339(),
-                zram: false,
+                zram: true,
             },
             package_data: AllPackageData::default(),
             ui: serde_json::from_str(include_str!("../../../frontend/patchdb-ui-seed.json"))

backend/src/version/v0_3_5.rs

@@ -62,6 +62,7 @@ impl VersionT for Version {
             }
         }
         db.mutate(|v| {
+            v.as_server_info_mut().as_zram_mut().ser(&true)?;
             for (_, pde) in v.as_package_data_mut().as_entries_mut()? {
                 for (dependency, info) in pde
                     .as_installed_mut()