added mini surround

lua/plugins/mini-surround.lua

@@ -0,0 +1,20 @@
+return {
+  'echasnovski/mini.surround',
+  version = '*',
+  config = function()
+    require('mini.surround').setup({
+      mappings = {
+        add = 'sa', -- Add surrounding in Normal and Visual modes
+        delete = 'sd', -- Delete surrounding
+        find = 'sf', -- Find surrounding (to the right)
+        find_left = 'sF', -- Find surrounding (to the left)
+        highlight = 'sh', -- Highlight surrounding
+        replace = 'sr', -- Replace surrounding
+        update_n_lines = 'sn', -- Update `n_lines`
+
+        suffix_last = 'l', -- Suffix to search with "prev" method
+        suffix_next = 'n', -- Suffix to search with "next" method
+      },
+    })
+  end,
+}