style: improve page style

[LiteSun]

This PR has made some corrections to the style issue.

• Reposition the search button in the input box.
• Adjust the Merge button to the top right of the chart.
• Render shadows when only one repo is available
• Reduce the size of the chart.
• Adjust the page gap to make the page more compact.

current style:

new style:

[vercel]

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🔍 Inspect: https://vercel.com/apiseven/contributor-graph/GGYu3KAkXVh66MuZFLi71GEjVfs8
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[juzhiyuan]

Users may don't know what's Merge View, we'd better add tips on this button.

3. When choosing Monthly View, I notice there have some conflicts contents.

4. Do we need those spaces?
   

[Yiyiyimu]

I think we'd better move markdown link outside the general share button, or users would easily missed it

[LiteSun]

I think we'd better move markdown link outside the general share button, or users would easily missed it

IMO, The markdown link is also a shared content and I think the same content should be put together🤔🤔. Waiting for other's views

[juzhiyuan]

You may request more reviewers..

[moonming]

Is there an online demo?

[Yiyiyimu]

Is there an online demo?

@moonming https://contributor-graph-oafp202af-apiseven.vercel.app/

[juzhiyuan]

This pull request is being automatically deployed with Vercel (learn more).
To see the status of your deployment, click below or on the icon next to each commit.

🔍 Inspect: https://vercel.com/apiseven/contributor-graph/CSeKUyLBbRs1veiGq1VoKSEzbMNQ
✅ Preview: https://contributor-graph-git-improve-style-apiseven.vercel.app

Here

[moonming]

• The search box is too long
• The comparison function is not obvious
• Remove download button
• Enhanced sharing function
• All contributors to Apache APISIX repositories are displayed by default

[LiteSun]

• All contributors to Apache APISIX repositories are displayed by default

Is it a new feature request? Currently the default display is apache/apisix for one repository

[Yiyiyimu]

Legend font size is still too small for README

[LiteSun]

Users may don't know what's Merge View, we'd better add tips on this button.

1. When choosing Monthly View, I notice there have some conflicts contents.

1. Do we need those spaces?
   

updated.

[LiteSun]

I think we'd better move markdown link outside the general share button, or users would easily missed it

updated.

[juzhiyuan]

Hi, the previous issues I mentioned have been resolved, but I found some new issues.

1. Just to make sure, if the Merge button only works for APISIX repo?
2. The Share URL is too long... If I have 3+ repos, it's too long.
3. See https://contributor-graph-api.apiseven.com/contributors-svg?chart=contributorOverTime&repo=30-seconds/30-seconds-of-code,apache/apisix
   

It's ok for me to discuss those questions or issues in another PR.

[Yiyiyimu]

@LiteSun need to merge to the download PR

[LiteSun]

@LiteSun need to merge to the download PR

Merged.