opt. & new

- opt.: docker page perf
- new: docker stats

lib/data/model/docker/ps.dart

@@ -8,6 +8,10 @@ class DockerPsItem {
   late String status;
   late String ports;
   late String name;
+  String? cpu;
+  String? mem;
+  String? net;
+  String? disk;
 
   DockerPsItem(
     this.containerId,
@@ -37,6 +41,20 @@ class DockerPsItem {
     }
   }
 
+  void parseStats(String rawString) {
+    if (rawString.isEmpty) {
+      return;
+    }
+    final parts = rawString.split(_seperator);
+    if (parts.length != 8) {
+      return;
+    }
+    cpu = parts[2];
+    mem = parts[3];
+    net = parts[5];
+    disk = parts[6];
+  }
+
   bool get running => status.contains('Up ');
 
   @override