meta: switch to semantic-release

[ichoosetoaccept]

This PR switches our versioning system from custom date-based versioning to semantic-release for better automation and clarity.

Changes

1. Removed Custom Versioning:

   • Removed date-based versioning workflows
   • Removed manual release process
   • Removed version field from package.json

2. Added Semantic Release:

   • Added semantic-release configuration
   • Added GitHub Actions workflow for automated releases
   • Added necessary dependencies

3. Updated Documentation:

   • Updated CONTRIBUTING.md with detailed versioning information
   • Added examples of how commits affect versions
   • Clarified what changes trigger which version bumps

Impact

After this PR is merged:

• Version numbers will follow semantic versioning (MAJOR.MINOR.PATCH)
• Releases will be created automatically based on commit messages
• Release notes will be generated from commit messages
• First release will start at 1.0.0

Examples

Your commit message determines the next version:

# Patch release (1.0.0 -> 1.0.1)
git commit -m "fix: correct typo in installation guide"

# Minor release (1.0.0 -> 1.1.0)
git commit -m "feat: add new section on windsurfing spots"

# Major release (1.0.0 -> 2.0.0)
git commit -m "feat: reorganize entire documentation structure

BREAKING CHANGE: All sections have been reorganized with a new structure"

Closes #70

[github-actions]

🎉 This PR is included in version 1.0.0 🎉

The release is available on GitHub release

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