Phasefieldx

This release includes the latest updates for the Journal of Open Source Software (JOSS) publication. Key changes:

- Updated the code with the latest revisions from the review process.
- Bumped the version number for the official release.
- Prepared the repository for archiving (DOI generation).

What's Changed
* Joss release by CastillonMiguel in https://github.com/CastillonMiguel/phasefieldx/pull/14


**Full Changelog**: https://github.com/CastillonMiguel/phasefieldx/compare/v0.1.1...v0.1.2

What's Changed
* Add examples for tensile specimen and ASTM standard mesh generation with visualization by CastillonMiguel in https://github.com/CastillonMiguel/phasefieldx/pull/12
* Add bcs list u names to solvers by CastillonMiguel in https://github.com/CastillonMiguel/phasefieldx/pull/13

**Full Changelog**: https://github.com/CastillonMiguel/phasefieldx/compare/v0.1.0...v0.1.1

**Full Changelog**: https://github.com/CastillonMiguel/phasefieldx/compare/v0.0.6...v0.1.0

**Full Changelog**: https://github.com/CastillonMiguel/phasefieldx/compare/v0.0.5...v0.0.6

**Full Changelog**: https://github.com/CastillonMiguel/phasefieldx/compare/v0.0.4...v0.0.5

Update version to test GitHub Actions publish workflow

**Full Changelog**: https://github.com/CastillonMiguel/phasefieldx/compare/v0.0.3...v0.0.4