Add .idea to .gitignore (#784)

## Summary
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Signed-off-by: Tcc0403 <[email protected]>

.gitignore

@@ -6,6 +6,7 @@ site/
 venv/
 .ipynb_checkpoints/
 .vscode/
+.idea/
 
 # Misc
 .DS_Store

.idea/workspace.xml

@@ -1,79 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="AutoImportSettings">
-    <option name="autoReloadType" value="SELECTIVE" />
-  </component>
-  <component name="ChangeListManager">
-    <list default="true" id="d7400753-faa8-4997-a53e-65fd3a6e6146" name="Changes" comment="Reference Unsloth in header" />
-    <option name="SHOW_DIALOG" value="false" />
-    <option name="HIGHLIGHT_CONFLICTS" value="true" />
-    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
-    <option name="LAST_RESOLUTION" value="IGNORE" />
-  </component>
-  <component name="Git.Settings">
-    <option name="RECENT_BRANCH_BY_REPOSITORY">
-      <map>
-        <entry key="$PROJECT_DIR$" value="main" />
-      </map>
-    </option>
-    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
-  </component>
-  <component name="GitHubPullRequestSearchHistory"><![CDATA[{
-  "lastFilter": {
-    "state": "OPEN",
-    "assignee": "momochen"
-  }
-}]]></component>
-  <component name="GithubPullRequestsUISettings"><![CDATA[{
-  "selectedUrlAndAccountId": {
-    "url": "https://github.com/momochen/Liger-Kernel",
-    "accountId": "639f3e12-86db-4b12-a409-51cc017415fb"
-  }
-}]]></component>
-  <component name="ProjectColorInfo"><![CDATA[{
-  "associatedIndex": 5
-}]]></component>
-  <component name="ProjectId" id="2lfyDxCjSnvFrbllYmf9VBSCcMx" />
-  <component name="ProjectViewState">
-    <option name="hideEmptyMiddlePackages" value="true" />
-    <option name="showLibraryContents" value="true" />
-  </component>
-  <component name="PropertiesComponent"><![CDATA[{
-  "keyToString": {
-    "RunOnceActivity.ShowReadmeOnStart": "true",
-    "git-widget-placeholder": "ref__unsloth",
-    "last_opened_file_path": "/Users/ychen/workspace/github/Liger-Kernel"
-  }
-}]]></component>
-  <component name="SharedIndexes">
-    <attachedChunks>
-      <set>
-        <option value="bundled-python-sdk-975db3bf15a3-31b6be0877a2-com.jetbrains.pycharm.community.sharedIndexes.bundled-PC-241.18034.82" />
-      </set>
-    </attachedChunks>
-  </component>
-  <component name="SpellCheckerSettings" RuntimeDictionaries="0" Folders="0" CustomDictionaries="0" DefaultDictionary="application-level" UseSingleDictionary="true" transferred="true" />
-  <component name="TaskManager">
-    <task active="true" id="Default" summary="Default task">
-      <changelist id="d7400753-faa8-4997-a53e-65fd3a6e6146" name="Changes" comment="" />
-      <created>1725585310555</created>
-      <option name="number" value="Default" />
-      <option name="presentableId" value="Default" />
-      <updated>1725585310555</updated>
-    </task>
-    <task id="LOCAL-00001" summary="Reference Unsloth in header">
-      <option name="closed" value="true" />
-      <created>1725585434299</created>
-      <option name="number" value="00001" />
-      <option name="presentableId" value="LOCAL-00001" />
-      <option name="project" value="LOCAL" />
-      <updated>1725585434299</updated>
-    </task>
-    <option name="localTasksCounter" value="2" />
-    <servers />
-  </component>
-  <component name="VcsManagerConfiguration">
-    <MESSAGE value="Reference Unsloth in header" />
-    <option name="LAST_COMMIT_MESSAGE" value="Reference Unsloth in header" />
-  </component>
-</project>