v0.1

This is the first release with +- stable api:

-- Prepare needed components --
local components = {
  mode = {
      provider = require('feline.providers.vi_mode').get_vim_mode,
  }

  file_name = {
      provider = function()
          return vim.fn.expand('%:t')
      end,
  }
}

-- Describe how the statusline should look like --
local theme = {
    active = {
        left = {
            separators = { right = '', hl = { fg = 'blue' } },
            a = { hl = { bg = 'blue' } },
        },
        right = {
            separators = { left = { '', hl = { fg = 'green' } } },
            z = { hl = { bg = 'green' } },
        },
    },
}

-- Create your oun statusline --
require('feline-theme').setup_statusline({
    active = {
        left = {
            a = { 'file_name' },
        },
        right = {
            z = { 'mode' },
        },
    },
    theme = theme,
    components = components
})

More details about configuration you can find in the example: Guide.md.