include descriptions and websites in 'plugin available' list

[gustavohnsv]

Closes #4038

previously, running plugin available only listed plugin names:

bounce
zigfmt
joinLines
palettero

this PR updates plugin available to display the plugin's name, description, and website URL (when provided in repo.json):

bounce
    plugin to add nano-style 'smart home' and bounce cursor between matching brackets
    https://github.com/deusnefum/micro-bounce

zigfmt
    zig fmt on save and zig fmt --check linter support
    https://github.com/squeek502/micro-zigfmt

joinLines
    Plugin to join selected lines or join the following line with the current one
    https://github.com/Lisiadito/join-lines-plugin

palettero
    Command palette Ctrl-P - fuzzy search commands and textfilters
    https://terokarvinen.com/tags/micro-editor/