Rename organization

[nightscape]

PR Type

enhancement, documentation

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Description

• Renamed package from com.crealytics to dev.mauch across all source files.
• Updated issue and repository references to point to the new GitHub repository (github.dev/mauch).
• Added a new utility object ExcelSparkInternal for handling input file names.
• Updated build configuration in build.mill to reflect the new organization and repository URL.
• Upgraded Mill version to 0.12.3 in .mill-version.
• Updated documentation files (CHANGELOG.md, README.md, issue templates) to reflect the new repository and package references.

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Changes walkthrough 📝

	Relevant files
Enhancement	3 files KeepUndefinedRowsSuite.scala Update package and issue references in KeepUndefinedRowsSuite src/test/scala/dev/mauch/spark/excel/v2/KeepUndefinedRowsSuite.scala Updated package name from com.crealytics to dev.mauch. Updated issue references to new repository URL. +4/-4      package.scala Update package and format strings in package.scala              src/main/scala/dev/mauch/spark/excel/package.scala Updated package name from com.crealytics to dev.mauch. Updated DataFrameReader and DataFrameWriter format strings. +3/-3      ExcelSparkInternal.scala Add ExcelSparkInternal utility for input file handling      src/main/2.4/scala/dev/mauch/spark/ExcelSparkInternal.scala Added a new utility object ExcelSparkInternal for handling input file names. +25/-1
Documentation	4 files CHANGELOG.md Update repository references in CHANGELOG.md                          CHANGELOG.md Updated repository references from github.com/crealytics to github.dev/mauch. +121/-121 generic.yml Update package references in issue template                            .github/ISSUE_TEMPLATE/generic.yml Updated package references in example commands and code snippets. +2/-2      ISSUE_TEMPLATE.md Update package references in ISSUE_TEMPLATE.md                      ISSUE_TEMPLATE.md Updated package references in example commands and code snippets. +2/-2      README.md Update repository URL references in README.md                        src/README.md Updated repository URL references to github.dev/mauch. +1/-1
Configuration changes	2 files build.mill Update organization and repository URL in build.mill          build.mill Updated organization from com.crealytics to dev.mauch. Updated repository URL to github.dev/mauch. +2/-2      org.apache.spark.sql.sources.DataSourceRegister Update DataSourceRegister entry for new package                    src/main/resources/META-INF/services/org.apache.spark.sql.sources.DataSourceRegister Updated DataSourceRegister entry to reflect new package name. +1/-1
Dependencies	1 files .mill-version Upgrade Mill version to 0.12.3                                                      .mill-version Upgraded Mill version from 0.12.1 to 0.12.3. +1/-1
Additional files (token-limit)	1 files README.md ...                                                                                                            README.md ... +17/-17

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PR Reviewer Guide 🔍

Here are some key observations to aid the review process:

⏱️ Estimated effort to review: 3 🔵🔵🔵⚪⚪

🧪 No relevant tests

🔒 No security concerns identified

⚡ Recommended focus areas for review Namespace Error The package declaration uses 'org.apache.spark.crealytics' which seems incorrect. It should be aligned with the new organization namespace 'dev.mauch.spark'.

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