Finish server detail page

lib/data/model/linux_icon.dart

@@ -0,0 +1,14 @@
+class LinuxIcons {
+  List<String> db;
+
+  LinuxIcons(this.db);
+
+  String? search(String sysVer) {
+    for (var item in db) {
+      if (sysVer.contains(item)) {
+        return 'assets/linux/$item.png';
+      }
+    }
+    return null;
+  }
+}