docs(features): update navigation order and remove chat-with-code.md

The navigation order of the features in the documentation has been updated. The 'chat-with-code.md' file has been removed.

Author: phodal

docs/features/chat-with-code.md

@@ -2,8 +2,7 @@
 layout: default
 title: Normal Chat
 parent: Basic Features
-nav_order: 1
-permalink: /features/chat
+nav_order: 3
 ---
 
 1. Click AutoDev on the left toolbar to open AutoDev.

docs/features/chat.md

@@ -2,8 +2,7 @@
 layout: default
 title: Code Completions
 parent: Basic Features
-nav_order: 5
-permalink: /features/code-completion
+nav_order: 1
 ---
 
 Automatically completes your code based on the position of your cursor.

docs/features/code-completion.md

@@ -2,8 +2,7 @@
 layout: default
 title: Generate Doc
 parent: Basic Features
-nav_order: 6
-permalink: /features/gen-doc
+nav_order: 4
 ---
 
 1. Select a code fragment and right-click to open the context menu.

docs/features/generate-document.md

@@ -2,7 +2,7 @@
 layout: default
 title: Refactoring
 parent: Basic Features
-nav_order: 2
+nav_order: 5
 ---
 
 In IDEA's version, we provided a refactoring feature that can help you refactor your code, see in [Refactoring](https://ide.unitmesh.cc/features/refactoring)
@@ -15,3 +15,8 @@ manual enable feature
 Required action: You need to `Enable rename suggestion` in the settings.
 
 For more see in: RenameLookupExecutor.ts
+
+## Others
+
+todo
+