feat(comp:alert): add alert component

[brenner8023]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines
• Tests for the changes have been added/updated or not needed
• Docs and demo have been added/updated or not needed

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Component style update
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Documentation content changes
• Application (the showcase website) / infrastructure changes
• Other... Please describe:

What is the current behavior?

add Alert component

What is the new behavior?

IxAlert

Props

名称	说明	类型	默认值	全局配置	备注
closable	信息提示是否可关闭	boolean	false	✅	-
closeIcon	自定义关闭按钮	string | #closeIcon	close	-	-
description	辅助性文字介绍	string | #description	-	-	-
icon	自定义图标	string | #icon	-	✅	若要隐藏图标则传空串
showPagination	是否开启分页切换效果	boolean	false	-	-
type	设置提示类型	'success' | 'info' | 'warning' | 'error'	info	-	-
title	信息提示内容	string | string[] | #default	-	-	-
onBeforeClose	关闭提示前会触发的回调函数	() => boolean | Promise<boolean>	-	-	-
onClose	关闭提示会触发的回调函数	() => void	-	-	-

Other information

[idux-bot]

This preview will be available after the AzureCI is passed.

[codecov]

Codecov Report

Merging #520 (f05e60e) into main (6751b14) will increase coverage by 0.13%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #520      +/-   ##
==========================================
+ Coverage   84.12%   84.25%   +0.13%     
==========================================
  Files         292      294       +2     
  Lines        7370     7431      +61     
  Branches     1453     1473      +20     
==========================================
+ Hits         6200     6261      +61     
  Misses       1170     1170              

Impacted Files	Coverage Δ
packages/components/alert/src/Alert.tsx	100.00% <100.00%> (ø)
packages/components/alert/src/types.ts	100.00% <100.00%> (ø)
packages/components/config/src/defaultConfig.ts	100.00% <100.00%> (ø)

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[danranVm]

需要解决一下 index.ts 的冲突，以及在 components.less 中，添加一下组件样式入口文件。