docs: move PR title format to contribution guide (#12114)

* docs: move PR title format to contribution guide

* docs: fix path

* docs: fix path

* docs: update type

packages/vant/docs/markdown/contribution.en-US.md

@@ -15,7 +15,7 @@ Below are the guidelines for submitting feedback or code to Vant. Please take a
 
 ### Local development
 
-Before developing locally, please make sure that [Node.js >= 14.19.0](https://nodejs.org) is installed in your development environment.
+Before developing locally, please make sure that [Node.js >= 18](https://nodejs.org) is installed in your development environment.
 
 Follow the steps below to develop Vant components locally.
 
@@ -119,6 +119,37 @@ When submitting a Pull Request, please note:
 4. The pull request is merged into the main repository after the review is approved.
 5. Wait for Vant to release a new version, usually once a week.
 
+### Pull Request Title Format
+
+The title of the Pull Request should be in the following format:
+
+```bash
+type(ComponentName?)：commit message
+```
+
+Example：
+
+- docs: fix typo in quickstart
+- build: optimize build speed
+- fix(Button): incorrect style
+- feat(Button): add color prop
+
+Allowed Types:
+
+- fix
+- feat
+- docs
+- perf
+- test
+- types
+- style
+- build
+- chore
+- release
+- refactor
+- breaking change
+- revert:
+
 ### Synchronize the latest code
 
 Before submitting a Pull Request, please synchronize the latest code of the main repository according to the following process:

packages/vant/docs/markdown/contribution.zh-CN.md

@@ -15,7 +15,7 @@
 
 ### 本地开发
 
-在进行本地开发前，请先确保你的开发环境中安装了 [Node.js >= 14.19.0](https://nodejs.org)。
+在进行本地开发前，请先确保你的开发环境中安装了 [Node.js >= 18](https://nodejs.org)。
 
 按照下面的步骤操作，即可在本地开发 Vant 组件。
 
@@ -120,6 +120,37 @@ src
 4. Pull Request 会在 Review 通过后被合并到主仓库。
 5. 等待 Vant 发布新版本，一般是每周一次。
 
+### Pull Request 标题格式
+
+Pull Request 的标题应该遵循以下格式：
+
+```bash
+type(ComponentName?)：commit message
+```
+
+示例：
+
+- docs: fix typo in quickstart
+- build: optimize build speed
+- fix(Button): incorrect style
+- feat(Button): add color prop
+
+可选的类型：
+
+- fix
+- feat
+- docs
+- perf
+- test
+- types
+- style
+- build
+- chore
+- release
+- refactor
+- breaking change
+- revert:
+
 ### 同步最新代码
 
 提 Pull Request 前，请依照下面的流程同步主仓库的最新代码：