Fixdate

- Update ISSUE_TEMPLATE's
- Implement GitHub Reusable workflows.
- Upgrade to support Python 13.1
- Update formatting configuration files
- flake8
- .gitattributes
- .gitignore
- .pre-commit-config.yaml
- readthedocs.yaml
- rstcheck.cfg
- Delete redundant files
- fixdate.bat
- install.ps1
- Add utility scripts
- SetupDotEnv.ps1
- SetupGitHubAccess.ps1
- SetupPrivateRepoAccess.ps1

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- Update ISSUE_TEMPLATE's
- Update GitHub Workflows
- Move code from `Code` directory to `src` directory
- Implemented Poetry
- Removed irrelevant info from README.rst

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[Bug]: Fix the GitHub release workflow

Apply PackageIt.