feat: ui improvement

flutter 3.7 compatibility
responsive view
beautiful progress bar
select file in treeview
downlading and downloaded page

ui/flutter/pubspec.lock

@@ -321,6 +321,14 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.0.1"
+  fluent_ui:
+    dependency: "direct main"
+    description:
+      name: fluent_ui
+      sha256: f9d443f9181900cfab9f38793195c7c4221cf05eb86918ac3517e67c024da867
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "4.2.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -575,7 +583,7 @@ packages:
     source: hosted
     version: "2.0.1"
   path:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: path
       sha256: db9d4f58c908a4ba5953fcee2ae317c94889433e5024c27ce74a37f94267945b
@@ -702,6 +710,14 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "3.1.0"
+  recase:
+    dependency: transitive
+    description:
+      name: recase
+      sha256: e4eb4ec2dcdee52dcf99cb4ceabaffc631d7424ee55e56f280bc039737f89213
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "4.1.0"
   rounded_loading_button:
     dependency: "direct main"
     description:
@@ -718,6 +734,14 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.27.5"
+  scroll_pos:
+    dependency: transitive
+    description:
+      name: scroll_pos
+      sha256: cfca311b6b8d51538ff90e206fbe6ce3b36e7125ea6da4a40eb626c7f9f083b1
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.3.0"
   shared_preferences:
     dependency: "direct main"
     description:
@@ -1028,5 +1052,5 @@ packages:
     source: hosted
     version: "3.1.1"
 sdks:
-  dart: ">=2.18.2 <3.0.0"
+  dart: ">=2.18.2 <4.0.0"
   flutter: ">=3.3.0"