doc(Readme): update readme documentation

[ArgoZhang]

update readme documentation

Summary of the changes (Less than 80 chars)

简单描述你更改了什么, 不超过80个字符；如果有关联 Issue 请在下方填写相关编号

Description

fixes #4713

Regression?

• Yes
• No

[If yes, specify the version the behavior has regressed from]

[是否影响老版本]

Risk

• High
• Medium
• Low

[Justify the selection above]

Verification

• Manual (required)
• Automated

Packaging changes reviewed?

• Yes
• No
• N/A

☑️ Self Check before Merge

⚠️ Please check all items below before review. ⚠️

• Doc is updated/provided or not needed
• Demo is updated/provided or not needed
• Merge the latest code from the main branch

Summary by Sourcery

Documentation:

• Updated the README.md and README.zh-CN.md files to adjust the width of the .NET Foundation logo image from 100px to 68px.

[sourcery-ai]

Reviewer's Guide by Sourcery

This PR updates the README documentation by adjusting the .NET Foundation logo size from 100 pixels to 68 pixels in both English and Chinese versions of the README files.

No diagrams generated as the changes look simple and do not need a visual representation.

File-Level Changes

Change	Details	Files
Adjusted .NET Foundation logo dimensions in README files	Changed logo width from '100' to '68px' to maintain consistent sizing Applied the same logo size change in both English and Chinese versions	README.md README.zh-CN.md

Assessment against linked issues

Issue	Objective	Addressed	Explanation
#4713	Add sample code for Component	❌	The PR only changes the .NET Foundation logo width in both English and Chinese README files from 100 to 68px. It does not add any sample code for components as requested in the issue.

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[sourcery-ai]

Hey @ArgoZhang - I've reviewed your changes and they look great!

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (70eb2c3) to head (b66b347).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #4714   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          620       620           
  Lines        27382     27382           
  Branches      3923      3923           
=========================================
  Hits         27382     27382           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

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