feat: add tooltip markerType

[Runtus]

Checklist

• npm test passes
• benchmarks are included
• commit message follows commit guidelines
• documents are updated

Description of change

• 增加crosshairs上空心圆的设置，即markerType: "hollow"。
  

closed: #5999
closed: #6074

[coveralls]

Pull Request Test Coverage Report for Build 9525298246

Details

• 3 of 3 (100.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.007%) to 86.423%

---

Totals
Change from base Build 9514194953:	0.007%
Covered Lines:	10392
Relevant Lines:	11647

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 9529017088

Details

• 3 of 3 (100.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.007%) to 86.423%

---

Totals
Change from base Build 9514194953:	0.007%
Covered Lines:	10392
Relevant Lines:	11647

---

💛 - Coveralls

[pearmini]

在案例中增加一个案例？可以把之前 crosshair 那个 PR 的案例也加上，给大家秀一秀 🤣

[pearmini]

在案例中增加一个案例？可以把之前 crosshair 那个 PR 的案例也加上，给大家秀一秀 🤣

[Runtus]

在案例中增加一个案例？可以把之前 crosshair 那个 PR 的案例也加上，给大家秀一秀 🤣

好的，我这加一下

[pearmini]

@Runtus 你案例截图发给我，我把它们上传之后，把链接给你。

[Runtus]

@Runtus 你案例截图发给我，我把它们上传之后，把链接给你。

好的
十字辅助线：

空心圆：

[coveralls]

Pull Request Test Coverage Report for Build 9541988696

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 3 of 3 (100.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.007%) to 86.423%

---

Totals
Change from base Build 9514194953:	0.007%
Covered Lines:	10392
Relevant Lines:	11647

---

💛 - Coveralls

[pearmini]

@Runtus

https://mdn.alipayobjects.com/huamei_qa8qxu/afts/img/A*s8KjQLiSyTwAAAAAAAAAAAAADmJ7AQ/original
https://mdn.alipayobjects.com/huamei_qa8qxu/afts/img/A*_LFDT7p6hRQAAAAAAAAAAAAADmJ7AQ/original

[pearmini]

🚀🚀🚀

[pearmini]

@Runtus 我是指在 site/examples/component/tooltip 这里增加两个例子 🤣。不过这个 PR 我先合并了，你可以专门来一个 PR 添加例子。

[coveralls]

Pull Request Test Coverage Report for Build 9544299865

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 3 of 3 (100.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.007%) to 86.423%

---

Totals
Change from base Build 9514194953:	0.007%
Covered Lines:	10392
Relevant Lines:	11647

---

💛 - Coveralls

[Runtus]

@Runtus 我是指在 site/examples/component/tooltip 这里增加两个例子 🤣。不过这个 PR 我先合并了，你可以专门来一个 PR 添加例子。

不好意思，没get到点，我晚上改一下，今天有点忙哈哈哈所以思维有点乱🤣

[pearmini]

@Runtus 没事没事，可能我没有说清楚，不着急哈😆