feat: Adding in several flags for neovim's calling of luarocks to

prevent the need for environment configuration to install/use
tree-sitter.

nvim/lua/custom_commands.lua

@@ -10,7 +10,7 @@ end, { nargs = '*' })
 vim.api.nvim_create_user_command('TreeSitterInstall', function(opts)
     for index, value in ipairs(opts.fargs) do
         if index > 0 then
-            local result = vim.system({ 'luarocks', 'install', 'tree-sitter-' .. value }, { text = true }):wait()
+            local result = vim.system({ 'luarocks', '--local', '--lua-version', '5.1', 'install', 'tree-sitter-' .. value }, { text = true }):wait()
 
             if result.code == 0 then
                 print('Completed install of tree-sitter-' .. value)