added latex support and reorg ftplugins

ftplugin/go.lua

@@ -0,0 +1,10 @@
+-- Set buffer-local options for Go files
+vim.opt_local.expandtab = true
+vim.opt_local.commentstring = '// %s'
+vim.opt_local.comments = 's1:/*,mb:*,ex:*/,://'
+
+-- Define a key mapping to trigger Go debugging
+vim.keymap.set('n', '<leader>td', function()
+  require('dap-go').debug_test()
+end, { buffer = 0 }) -- Set buffer-local key mapping
+