my-nvim-setup/lua/plugins/nvim-web-devicons/config.lua

return function()
  require("nvim-web-devicons").setup {
    -- your personal icons can go here (to override)
    -- you can specify color or cterm_color instead of specifying both of them
    -- DevIcon will be appended to `name`
    override = {
      zsh = {
        icon = "",
        color = "#428850",
        cterm_color = "65",
        name = "Zsh",
      },
    },
    -- globally enable different highlight colors per icon (default to true)
    -- if set to false all icons will have the default icon's color
    color_icons = true,
    -- globally enable default icons (default to false)
    -- will get overridden by `get_icons` option
    default = true,
    -- globally enable "strict" selection of icons - icon will be looked up in
    -- different tables, first by filename, and if not found by extension; this
    -- prevents cases when file doesn't have any extension but still gets some icon
    -- because its name happened to match some extension (default to false)
    strict = true,
    -- same as `override` but specifically for overrides by filename
    -- takes effect when `strict` is true
    override_by_filename = {
      [".gitignore"] = {
        icon = "",
        color = "#f1502f",
        name = "Gitignore",
      },
    },
    -- same as `override` but specifically for overrides by extension
    -- takes effect when `strict` is true
    override_by_extension = {
      ["log"] = {
        icon = "",
        color = "#81e043",
        name = "Log",
      },
    },
  }
end