Add initial CHANGELOG

# Changelog

All notable changes to this project will be documented in this file.

The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),

and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

## [Unreleased]

## [0.7.0] - 2022-12-08

### Breaking changes

- The `<l-map>` component now uses the globally available `window.L` instance of Leaflet by default.

  If you are using SSR in an existing project and relying on the default behaviour, you will now need to pass

  `:useGlobalLeaflet="false"` to your `<l-map>`.

### Added

- This changelog file.

- Quickstart and SSR sections in readme.

### Changed

- Minor additional updates to the readme.

- Code formatting in some playground examples.

- Moved `@types/leaflet` to `devDependencies`.

## Earlier versions

The following releases were created before the addition of this changelog:

* [0.6.1], 2021-06-17

* [0.6.0], 2021-03-01

* [0.5.0], 2020-11-29

* [0.4.2], 2020-11-16

* [0.4.1], 2020-11-16

* [0.4.0], 2020-11-13

* [0.3.0], 2020-10-31

* [0.2.0], 2020-10-30

* [0.1.2], 2020-10-09

[unreleased]: https://github.com/vue-leaflet/vue-leaflet/compare/v0.7.0...HEAD

[0.7.0]: https://github.com/vue-leaflet/vue-leaflet/compare/v0.6.1...v0.7.0

[0.6.1]: https://github.com/vue-leaflet/vue-leaflet/compare/v0.6.0...v0.6.1

[0.6.0]: https://github.com/vue-leaflet/vue-leaflet/compare/v0.5.0...v0.6.0

[0.5.0]: https://github.com/vue-leaflet/vue-leaflet/compare/v0.4.2...v0.5.0

[0.4.2]: https://github.com/vue-leaflet/vue-leaflet/compare/v0.4.1...v0.4.2

[0.4.1]: https://github.com/vue-leaflet/vue-leaflet/compare/v0.4.0...v0.4.1

[0.4.0]: https://github.com/vue-leaflet/vue-leaflet/compare/v0.3.0...v0.4.0

[0.3.0]: https://github.com/vue-leaflet/vue-leaflet/compare/v0.2.0...v0.3.0

[0.2.0]: https://github.com/vue-leaflet/vue-leaflet/compare/v0.1.2...v0.2.0

[0.1.2]: https://github.com/vue-leaflet/vue-leaflet/releases/tag/v0.1.2

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