Update to latest tree sitter grammar version

What's Changed

• Fix open_template_by_shortcut by @jgollenz in #231
• fix custom highlight queries by @gerritvreeman in #240

New Contributors

• @gerritvreeman made their first contribution in #240

Full Changelog: 0.2...0.2.1

Initial version not depending on tree-sitter

This is initial release that is not depending on the Neovim's treesitter. No new features or bug fixes will be addressed as part of this release. All new bug fixes and releases will be done with dependency on tree-sitter.