explicitly configure ripgrep for telescope

lua/plugins/telescope.lua

@@ -1,5 +1,16 @@
+local telescope = require('telescope')
 local builtin = require('telescope.builtin')
 
+telescope.setup {
+    defaults = {
+        vimgrep_arguments = { 'rg',
+            '--hidden', '--color=never', '--no-heading',
+            '--with-filename', '--line-number',
+            '--column', '--smart-case',
+        },
+    },
+}
+
 local find_files_workspace = function()
     builtin.find_files({
         search_dirs = vim.lsp.buf.list_workspace_folders(),