Adding surround plugin

lua/custom/plugins/surround.lua

@@ -0,0 +1,18 @@
+return {
+  { --  https://github.com/echasnovski/mini.surround
+    'echasnovski/mini.surround',
+    version = false,
+    recommended = true,
+    opts = {
+      mappings = {
+        add = 'gsa', -- Add surrounding in Normal and Visual modes
+        delete = 'gsd', -- Delete surrounding
+        find = 'gsf', -- Find surrounding (to the right)
+        find_left = 'gsF', -- Find surrounding (to the left)
+        highlight = 'gsh', -- Highlight surrounding
+        replace = 'gsr', -- Replace surrounding
+        update_n_lines = 'gsn', -- Update `n_lines`
+      },
+    },
+  },
+}