added latex support and reorg ftplugins

lua/custom/plugins/cmp.lua

@@ -21,15 +21,19 @@ return {
     -- Set completion options
     vim.opt.completeopt = { 'menu', 'menuone', 'noselect' }
 
-    -- Lazy load snippets from friendly-snippets
-    require('luasnip.loaders.from_vscode').lazy_load()
-
     -- Import required modules
     local cmp = require('cmp')
     local luasnip = require('luasnip')
 
     -- Setup luasnip
-    luasnip.config.setup({})
+    luasnip.config.setup({
+      history = true,
+      updateevents = 'TextChanged,TextChangedI',
+    })
+
+    -- Lazy load snippets from friendly-snippets and custom snippets
+    require('luasnip.loaders.from_vscode').lazy_load()
+    require('luasnip.loaders.from_vscode').load(vim.fn.stdpath('config') .. '/snippets')
 
     -- Setup nvim-cmp
     cmp.setup({
@@ -90,12 +94,6 @@ return {
       }),
     })
 
-    -- Additional luasnip configuration
-    luasnip.config.set_config({
-      history = true,
-      updateevents = 'TextChanged,TextChangedI',
-    })
-
     -- Setup for SQL filetype with vim-dadbod-completion
     cmp.setup.filetype('sql', {
       sources = cmp.config.sources({