feat: add hint to clone with recursive submodules to creating README

scripts/git_wrapper.tcl

@@ -61,6 +61,8 @@ namespace eval ::git_wrapper {
         puts $file ""
         puts $file "### Getting started"
         puts $file ""
+        puts $file "Clone repo with `git clone --recurse-submodules`"
+        puts $file ""
         puts $file "After cloning this repo open the project with Vivado by using `Tools -> Run Tcl Script...` and selecting the `${current_project}.tcl` file"
         puts $file ""
         puts $file "### Workflow"