ci: add CHANGELOG.md

Signed-off-by: Guennadi Maximov C <g.maxc.fox@protonmail.com>

Author: DrKJeff16

.github_changelog_generator

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+unreleased=false

CHANGELOG.md

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+# Changelog
+
+## [v0.3.1-1](https://github.com/DrKJeff16/boolean-toggle.nvim/tree/v0.3.1-1) (2026-04-28)
+
+[Full Changelog](https://github.com/DrKJeff16/boolean-toggle.nvim/compare/v0.3.0-1...v0.3.1-1)
+
+## [v0.3.0-1](https://github.com/DrKJeff16/boolean-toggle.nvim/tree/v0.3.0-1) (2026-04-28)
+
+[Full Changelog](https://github.com/DrKJeff16/boolean-toggle.nvim/compare/v0.2.0-1...v0.3.0-1)
+
+## [v0.2.0-1](https://github.com/DrKJeff16/boolean-toggle.nvim/tree/v0.2.0-1) (2026-04-28)
+
+[Full Changelog](https://github.com/DrKJeff16/boolean-toggle.nvim/compare/v0.1.0-1...v0.2.0-1)
+
+## [v0.1.0-1](https://github.com/DrKJeff16/boolean-toggle.nvim/tree/v0.1.0-1) (2026-04-27)
+
+[Full Changelog](https://github.com/DrKJeff16/boolean-toggle.nvim/compare/83c0bcf4288414117e4be75e34a501f0c1e6acc5...v0.1.0-1)
+
+
+
+\* *This Changelog was automatically generated by [github_changelog_generator](https://github.com/github-changelog-generator/github-changelog-generator)*