add git clone_timeout for packer

lua/pluginList.lua

@@ -6,6 +6,9 @@ packer.init {
         open_fn = function()
             return require("packer.util").float {border = "single"}
         end
+    },
+    git = {
+    clone_timeout = 600, -- Timeout, in seconds, for git clones
   }
 }