feat: Add width option

* This is relative to the size of the current split

lua/symbols-outline.lua

@@ -198,7 +198,7 @@ local function setup_buffer()
     local current_win_width = vim.api.nvim_win_get_width(current_win)
 
     vim.cmd(config.get_split_command())
-    vim.cmd("vertical resize " .. math.ceil(current_win_width * 0.25))
+    vim.cmd("vertical resize " .. math.ceil(current_win_width * config.get_width_percentage()))
     M.state.outline_win = vim.api.nvim_get_current_win()
     vim.api.nvim_win_set_buf(M.state.outline_win, M.state.outline_buf)
 

lua/symbols-outline/config.lua

@@ -6,6 +6,7 @@ local defaults = {
     highlight_hovered_item = true,
     show_guides = true,
     position = 'right',
+    width = 25,
     auto_preview = true,
     show_numbers = false,
     show_relative_numbers = false,
@@ -64,6 +65,10 @@ function M.get_position_navigation_direction()
     end
 end
 
+function M.get_width_percentage()
+    return M.options.width / 100
+end
+
 function M.get_split_command()
     if M.options.position == 'left' then
         return "topleft vs"