APT/Docker manage

- view apt update
- view docker container

lib/core/extension/stringx.dart

@@ -1,3 +1,20 @@
+import 'package:toolbox/data/model/distribution.dart';
+
 extension StringX on String {
   int get i => int.parse(this);
+
+  Distribution get dist {
+    final lower = toLowerCase();
+    for (var dist in debianDistList) {
+      if (lower.contains(dist)) {
+        return Distribution.debian;
+      }
+    }
+    for (var dist in rehlDistList) {
+      if (lower.contains(dist)) {
+        return Distribution.rehl;
+      }
+    }
+    return Distribution.unknown;
+  }
 }