Feat: add type SignedStorageAsk into venus-shared/在venus-shared中添加SignedStorageAsk类型定义.

[zl03jsj]

关联的Issues (Related Issues)

close #5276

改动 (Proposed Changes)

在venus-shared中增加自定义的SignedStorageAsk类型
本PR:
为 #5263 的的子任务

附注 (Additional Info)

自查清单 (Checklist)

在你认为本 PR 满足被审阅的标准之前，需要确保 / Before you mark the PR ready for review, please make sure that:

• 符合Venus项目管理规范中关于PR的相关标准 / The PR follows the PR standards set out in the Venus project management guidelines
• 具有清晰明确的commit message / All commits have a clear commit message.
• 包含相关的的测试用例或者不需要新增测试用例 / This PR has tests for new functionality or change in behaviour or not need to add new tests.
• 包含相关的的指南以及文档或者不需要新增文档 / This PR has updated usage guidelines and documentation or not need
• 通过必要的检查项 / All checks are green

[diwufeiwen]

LGTM

[codecov-commenter]

Codecov Report

Merging #5280 (88987d6) into master (33a27ea) will decrease coverage by 0%.
The diff coverage is 0%.

@@          Coverage Diff           @@
##           master   #5280   +/-   ##
======================================
- Coverage      25%     25%   -1%     
======================================
  Files         588     589    +1     
  Lines       65436   65516   +80     
======================================
- Hits        16565   16558    -7     
- Misses      46710   46797   +87     
  Partials     2161    2161           

[simlecode]

[diwufeiwen]

LGTM

[LinZexiao]

LGTM