Document minimum Git version

README.md

@@ -3,6 +3,9 @@ codearchiver is a tool for archiving version control system repositories and ass
 
 No documentation or detailed description exists at this time.
 
+# Modules
+* `git`: requires at least Git 2.25.0
+
 ## License
 This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.