v0.3.0

What's Changed

• Minor stylistic improvements by @jorgensd in #21
• rename files by @brendankeith in #22
• report linear solves for obstacle problem and tune the parameters by @ioannisPApapadopoulos in #23
• Remove duplicate import statement by @jorgensd in #24
• Ruff and add prec to QVI by @jorgensd in #25
• Simplify gradient code by @jorgensd in #26
• Update firedrake branch in dockerfile by @jorgensd in #28
• Add firedrake examples by @jorgensd in #27

Full Changelog: v0.2.0...v0.3.0