chore: update gitignore and remove ide configuration files

- Add .idea directory to .gitignore
- Remove .idea/.gitignore file
- Remove .idea/gitks.iml module file
- Remove .idea/modules.xml project modules configuration
- Remove .idea/vcs.xml version control system mapping
- Clean up IDE-specific configuration files from repository

.gitignore

@@ -1 +1,2 @@
 /target
+.idea

.idea/.gitignore

@@ -1,10 +0,0 @@
-# 默认忽略的文件
-/shelf/
-/workspace.xml
-# 基于编辑器的 HTTP 客户端请求
-/httpRequests/
-# 已忽略包含查询文件的默认文件夹
-/queries/
-# Datasource local storage ignored files
-/dataSources/
-/dataSources.local.xml

.idea/gitks.iml

@@ -1,14 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module type="EMPTY_MODULE" version="4">
-  <component name="NewModuleRootManager">
-    <content url="file://$MODULE_DIR$">
-      <sourceFolder url="file://$MODULE_DIR$/lib/config/src" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/lib/git/src" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/tests" isTestSource="true" />
-      <excludeFolder url="file://$MODULE_DIR$/target" />
-    </content>
-    <orderEntry type="inheritedJdk" />
-    <orderEntry type="sourceFolder" forTests="false" />
-  </component>
-</module>

.idea/modules.xml

@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/.idea/gitks.iml" filepath="$PROJECT_DIR$/.idea/gitks.iml" />
-    </modules>
-  </component>
-</project>

.idea/vcs.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="VcsDirectoryMappings">
-    <mapping directory="" vcs="Git" />
-  </component>
-</project>