Release v0.18

[0.18] 2020-06-09

Improved

• Try loading the clap theme having a same name with the current colorscheme when g:clap_theme does not exist.

Added

• Implement async preview for blines, tags and proj_tags provider. (#457)
• Add icon support for proj_tags provider. (#461)
• Add g:clap_preview_size for configuring the number of preview lines. (#444)
• Add g:clap_provider_buffers_cur_tab_only. (#439)

Fixed

• Fix the the command of job_start with vanila vim. #449
• Implement the VimResized hook. #454