added osc for ssh clipboard functionality

lua/custom/plugins/nvim-osc52.lua

@@ -0,0 +1,18 @@
+return {
+
+  'ojroques/nvim-osc52',
+  config = function()
+    require('osc52').setup {
+      max_length = 0, -- Maximum length of selection (0 for no limit)
+      silent = false, -- Disable message on successful copy
+      trim = false, -- Trim surrounding whitespaces before copy
+    }
+    local function copy()
+      if (vim.v.event.operator == 'y' or vim.v.event.operator == 'd') and vim.v.event.regname == '' then
+        require('osc52').copy_register ''
+      end
+    end
+
+    vim.api.nvim_create_autocmd('TextYankPost', { callback = copy })
+  end,
+}