Release v1.3.0

Last version before v2.0.0

What's Changed

• Add peak/huts scatters as obstacles in text_allocation
• add script to simplify GPX
• add elevation profile w.r.t. to distance instead of time
• refactor PosterImageCache
• improve readme, add github owners, PR template, pyproject.toml
• add github actions: PR Validator, Linter, Type checker

Full Changelog: v1.2.1...v1.3.0

New Contributors

• @JulesL2 made their first contribution in #6