docs: adicionar StarMapper e Star History nos READMEs e ajustar CI Snyk

[devin-ai-integration]

All Submissions:

• Have you followed the guidelines in our Contributing document?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?

Changes to Core Features:

• Have you added an explanation of what your changes do and why you'd like us to include them?

Inclui seções de Star History e StarMapper nos arquivos README.md, README.pt-br.md e readme.md para facilitar a visualização do crescimento de estrelas e a distribuição geográfica dos stargazers.

• Star History: link para o gráfico de estrelas do repositório.
• StarMapper: imagem do mapa de stargazers com link para a página interativa.

URLs:

• https://www.star-history.com/?repos=afonsoft%2FQRCoder.Core&type=date&legend=top-left
• https://starmapper.bruniaux.com/afonsoft/QRCoder.Core

Ajustes de CI

• Snyk Security no security-scan.yml agora ignora a análise quando SNYK_TOKEN não está configurado, evitando falha de autenticação (alinhado com o comportamento do repositório metar-decoder).

Link to Devin session: https://app.devin.ai/sessions/a0e8e88f2bc74d0ea2a0bbd4c0430d15
Requested by: @afonsoft

---

[devin-ai-integration]

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[devin-ai-integration]

✅ Devin Review: No Issues Found

Devin Review analyzed this PR and found no bugs or issues to report.

[github-actions]

Qodana Community for .NET

1272 new problems were found

Inspection name	Severity	Problems
Inconsistent Naming	🔶 Warning	537
Redundant using directive	🔶 Warning	28
Member initialized value ignored	🔶 Warning	13
Possible 'System.NullReferenceException'	🔶 Warning	9
Assignment is not used	🔶 Warning	9
Do not use object initializer for 'using' variable: Do not use object initializer for 'using' variable	🔶 Warning	8
Redundant explicit type in array creation	🔶 Warning	7
Redundant name qualifier	🔶 Warning	6
Auto-property accessor is never used: Private accessibility	🔶 Warning	5
Non-accessed field: Private accessibility	🔶 Warning	4
Possible multiple enumeration	🔶 Warning	4
Specify string culture explicitly	🔶 Warning	4
Auto-property accessor is never used: Non-private accessibility	🔶 Warning	4
Possible loss of fraction	🔶 Warning	3
Redundant cast	🔶 Warning	3
Expression is always 'true' or always 'false'	🔶 Warning	2
Redundant argument with default value	🔶 Warning	2
Conditional access qualifier expression is known to be null or not null	🔶 Warning	1
Empty general catch clause	🔶 Warning	1
Underlying type of enum is 'int'	🔶 Warning	1
Member hides static member from outer class	🔶 Warning	1
Possible 'System.InvalidOperationException'	🔶 Warning	1
Redundant explicit size specification in array creation	🔶 Warning	1
Redundant 'switch' expression arms	🔶 Warning	1
Redundant 'object.ToString()' call	🔶 Warning	1
Type member is never used: Private accessibility	🔶 Warning	1
Unused local variable	🔶 Warning	1
Type member is never used: Non-private accessibility	◽️ Notice	360
Use preferred body style: Convert into property, indexer, or event with preferred body style	◽️ Notice	38
Field can be made readonly: Private accessibility	◽️ Notice	36
Type is never used: Non-private accessibility	◽️ Notice	32
Convert into 'using' declaration	◽️ Notice	29
Member can be made private: Non-private accessibility	◽️ Notice	29
Redundant verbatim string prefix	◽️ Notice	22
Use preferred style of 'new' expression when created type is evident	◽️ Notice	10
Merge null/pattern checks into complex pattern	◽️ Notice	9
Auto-property can be made get-only: Non-private accessibility	◽️ Notice	7
Redundant string interpolation	◽️ Notice	7
Use format specifier in interpolated strings	◽️ Notice	6
Merge conditional ?: expression into conditional access	◽️ Notice	4
Class is never instantiated: Non-private accessibility	◽️ Notice	3
Use index from end expression	◽️ Notice	3
Check for reference equality instead: Check for reference equality instead	◽️ Notice	2
'if' statement can be rewritten as '?:' expression	◽️ Notice	2
Convert property into auto-property	◽️ Notice	2
For-loop can be converted into foreach-loop	◽️ Notice	2
Redundant explicit collection creation in argument of 'params' parameter	◽️ Notice	2
Auto-property can be made get-only: Private accessibility	◽️ Notice	1
Class with virtual (overridable) members never inherited: Non-private accessibility	◽️ Notice	1
Convert lambda expression into method group	◽️ Notice	1
Convert constructor into member initializers	◽️ Notice	1
Introduce optional parameters: Non-private accessibility	◽️ Notice	1
Member can be made protected: Non-private accessibility	◽️ Notice	1
Unused parameter: Non-private accessibility	◽️ Notice	1
Use string interpolation expression	◽️ Notice	1
Virtual (overridable) member is never overridden: Non-private accessibility	◽️ Notice	1

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud