statusline: add file path

lua/plugins/configs/statusline.lua

@@ -20,7 +20,9 @@ require('lualine').setup {
     sections = {
         lualine_a = { 'mode' },
         lualine_b = { 'branch', 'diff', 'diagnostics' },
-        lualine_c = { 'filename' },
+        lualine_c = {
+            { "filename", path = 1, symbols = { modified = "  ", readonly = "", unnamed = "" } }
+        },
         lualine_x = { 'encoding', 'fileformat', 'filetype' },
         lualine_y = { 'progress' },
         lualine_z = { 'location' }